141101 20:14:15 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 141101 20:14:15 mysqld_safe WSREP: Running position recovery with --log_error='/var/lib/mysql/wsrep_recovery.vYXGiH' --pid-file='/var/lib/mysql/carbon-recover.pid' 141101 20:24:01 mysqld_safe WSREP: Failed to recover position: '141101 20:14:15 [Note] InnoDB: Using mutexes to ref count buffer pool pages 2014-11-01 20:14:15 7fd2bdd987c0 InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!! 2014-11-01 20:14:15 7fd2bdd987c0 InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!! 141101 20:14:15 [Note] InnoDB: The InnoDB memory heap is disabled 141101 20:14:15 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 141101 20:14:15 [Note] InnoDB: Memory barrier is not used 141101 20:14:15 [Note] InnoDB: Compressed tables use zlib 1.2.8 141101 20:14:15 [Note] InnoDB: Using Linux native AIO 141101 20:14:15 [Note] InnoDB: Not using CPU crc32 instructions 141101 20:14:15 [Note] InnoDB: Initializing buffer pool, size = 128.0M 141101 20:14:15 [Note] InnoDB: Completed initialization of buffer pool 141101 20:14:15 [Note] InnoDB: Highest supported file format is Barracuda. 141101 20:14:16 [Note] InnoDB: 128 rollback segment(s) are active. 141101 20:14:16 [Note] InnoDB: Waiting for purge to start 141101 20:14:16 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.20-68.0 started; log sequence number 8834625 141101 20:14:16 [Note] Plugin 'FEEDBACK' is disabled. 141101 20:14:16 [ERROR] Function 'TokuDB' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_trx' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_trx' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_lock_waits' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_lock_waits' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_locks' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_locks' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_file_map' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_file_map' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_fractal_tree_info' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_fractal_tree_info' with soname 'ha_tokudb.so'. 141101 20:14:16 [ERROR] Function 'TokuDB_fractal_tree_block_map' already exists 141101 20:14:16 [Warning] Couldn't load plugin named 'TokuDB_fractal_tree_block_map' with soname 'ha_tokudb.so'. 141101 20:14:16 [Note] Event Scheduler: Loaded 0 events 141101 20:14:16 [Note] WSREP: Read nil XID from storage engines, skipping position init 141101 20:14:16 [Note] WSREP: wsrep_load(): loading provider library 'none' 141101 20:14:16 [Note] /usr/libexec/mysqld: ready for connections. Version: '10.1.1-MariaDB-wsrep-debug' socket: '/var/run/mysql/mysql.sock' port: 0 MariaDB Server, wsrep_25.10.r4123 141101 20:23:58 [Note] /usr/libexec/mysqld: Normal shutdown 141101 20:23:58 [Note] Event Scheduler: Purging the queue. 0 events 141101 20:24:00 [Note] InnoDB: FTS optimize thread exiting. 141101 20:24:00 [Note] InnoDB: Starting shutdown... 141101 20:24:01 [Note] InnoDB: Shutdown completed; log sequence number 8834635 141101 20:24:01 [Note] /usr/libexec/mysqld: Shutdown complete' 141101 20:24:12 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 141101 20:24:12 mysqld_safe WSREP: Running position recovery with --log_error='/var/lib/mysql/wsrep_recovery.v3oONP' --pid-file='/var/lib/mysql/carbon-recover.pid' my_realpath: info: executing realpath my_realpath: info: executing realpath ?func: info: /usr/libexec/mysqld Ver 10.1.1-MariaDB-wsrep-debug for Linux on x86_64 set_max_open_files: info: rlim_cur: 1024 rlim_max: 4096 item_create_init: info: native function: ST_DIMENSION length: 12 item_create_init: info: native function: LINEFROMWKB length: 11 item_create_init: info: native function: POLYFROMWKB length: 11 item_create_init: info: native function: AES_DECRYPT length: 11 item_create_init: info: native function: IS_IPV4_COMPAT length: 14 item_create_init: info: native function: ACOS length: 4 item_create_init: info: native function: IFNULL length: 6 item_create_init: info: native function: ATAN length: 4 item_create_init: info: native function: POW length: 3 item_create_init: info: native function: ST_DIFFERENCE length: 13 item_create_init: info: native function: UPPER length: 5 item_create_init: info: native function: GEOMETRYN length: 9 item_create_init: info: native function: MASTER_POS_WAIT length: 15 item_create_init: info: native function: BIT_LENGTH length: 10 item_create_init: info: native function: GEOMETRYCOLLECTIONFROMWKB length: 25 item_create_init: info: native function: RAND length: 4 item_create_init: info: native function: MASTER_GTID_WAIT length: 16 item_create_init: info: native function: ASTEXT length: 6 item_create_init: info: native function: REGEXP_SUBSTR length: 13 item_create_init: info: native function: EQUALS length: 6 item_create_init: info: native function: POINTFROMTEXT length: 13 item_create_init: info: native function: INET_NTOA length: 9 item_create_init: info: native function: DIMENSION length: 9 item_create_init: info: native function: ASIN length: 4 item_create_init: info: native function: SRID length: 4 item_create_init: info: native function: ISNULL length: 6 item_create_init: info: native function: MPOINTFROMTEXT length: 14 item_create_init: info: native function: CONCAT_WS length: 9 item_create_init: info: native function: ST_EQUALS length: 9 item_create_init: info: native function: COLUMN_JSON length: 11 item_create_init: info: native function: LINESTRINGFROMWKB length: 17 item_create_init: info: native function: CHAR_LENGTH length: 11 item_create_init: info: native function: ST_LINESTRINGFROMTEXT length: 21 item_create_init: info: native function: COMPRESS length: 8 item_create_init: info: native function: PI length: 2 item_create_init: info: native function: LEAST length: 5 item_create_init: info: native function: ATAN2 length: 5 item_create_init: info: native function: DATEDIFF length: 8 item_create_init: info: native function: POLYFROMTEXT length: 12 item_create_init: info: native function: COS length: 3 item_create_init: info: native function: ST_OVERLAPS length: 11 item_create_init: info: native function: CENTROID length: 8 item_create_init: info: native function: ST_ISEMPTY length: 10 item_create_init: info: native function: EXTERIORRING length: 12 item_create_init: info: native function: ST_LINEFROMWKB length: 14 item_create_init: info: native function: ELT length: 3 item_create_init: info: native function: ISSIMPLE length: 8 item_create_init: info: native function: CRC32 length: 5 item_create_init: info: native function: ST_ENVELOPE length: 11 item_create_init: info: native function: AES_ENCRYPT length: 11 item_create_init: info: native function: GET_LOCK length: 8 item_create_init: info: native function: INTERSECTS length: 10 item_create_init: info: native function: ST_GEOMCOLLFROMTEXT length: 19 item_create_init: info: native function: ST_NUMGEOMETRIES length: 16 item_create_init: info: native function: ST_SRID length: 7 item_create_init: info: native function: DISJOINT length: 8 item_create_init: info: native function: ST_ASTEXT length: 9 item_create_init: info: native function: COT length: 3 item_create_init: info: native function: ST_INTERSECTION length: 15 item_create_init: info: native function: EXP length: 3 item_create_init: info: native function: MULTILINESTRINGFROMWKB length: 22 item_create_init: info: native function: ISEMPTY length: 7 item_create_init: info: native function: ST_CROSSES length: 10 item_create_init: info: native function: DAYOFYEAR length: 9 item_create_init: info: native function: ST_ENDPOINT length: 11 item_create_init: info: native function: CONVERT_TZ length: 10 item_create_init: info: native function: LINESTRINGFROMTEXT length: 18 item_create_init: info: native function: DAYOFWEEK length: 9 item_create_init: info: native function: ST_INTERSECTS length: 13 item_create_init: info: native function: GEOMETRYFROMWKB length: 15 item_create_init: info: native function: COLUMN_LIST length: 11 item_create_init: info: native function: DES_DECRYPT length: 11 item_create_init: info: native function: CEIL length: 4 item_create_init: info: native function: DECODE_HISTOGRAM length: 16 item_create_init: info: native function: UPDATEXML length: 9 item_create_init: info: native function: FIND_IN_SET length: 11 item_create_init: info: native function: FROM_UNIXTIME length: 13 item_create_init: info: native function: ENDPOINT length: 8 item_create_init: info: native function: OCT length: 3 item_create_init: info: native function: ASWKT length: 5 item_create_init: info: native function: MLINEFROMWKB length: 12 item_create_init: info: native function: NUMGEOMETRIES length: 13 item_create_init: info: native function: ST_CENTROID length: 11 item_create_init: info: native function: LCASE length: 5 item_create_init: info: native function: SPACE length: 5 item_create_init: info: native function: ENCRYPT length: 7 item_create_init: info: native function: SHA length: 3 item_create_init: info: native function: ABS length: 3 item_create_init: info: native function: ST_DISTANCE length: 11 item_create_init: info: native function: GEOMCOLLFROMTEXT length: 16 item_create_init: info: native function: SUBSTRING_INDEX length: 15 item_create_init: info: native function: BIT_COUNT length: 9 item_create_init: info: native function: TO_DAYS length: 7 item_create_init: info: native function: DAYNAME length: 7 item_create_init: info: native function: SLEEP length: 5 item_create_init: info: native function: IS_IPV4_MAPPED length: 14 item_create_init: info: native function: INET6_ATON length: 10 item_create_init: info: native function: CONCAT length: 6 item_create_init: info: native function: ENVELOPE length: 8 item_create_init: info: native function: DATE_FORMAT length: 11 item_create_init: info: native function: QUOTE length: 5 item_create_init: info: native function: INET6_NTOA length: 10 item_create_init: info: native function: POLYGONFROMTEXT length: 15 item_create_init: info: native function: EXPORT_SET length: 10 item_create_init: info: native function: NUMPOINTS length: 9 item_create_init: info: native function: INET_ATON length: 9 item_create_init: info: native function: MBRWITHIN length: 9 item_create_init: info: native function: ST_BUFFER length: 9 item_create_init: info: native function: ST_GEOMFROMWKB length: 14 item_create_init: info: native function: POINTN length: 6 item_create_init: info: native function: FLOOR length: 5 item_create_init: info: native function: GEOMFROMWKB length: 11 item_create_init: info: native function: ST_GEOMETRYCOLLECTIONFROMWKB length: 28 item_create_init: info: native function: ENCODE length: 6 item_create_init: info: native function: ST_NUMPOINTS length: 12 item_create_init: info: native function: MBRINTERSECTS length: 13 item_create_init: info: native function: TO_BASE64 length: 9 item_create_init: info: native function: ASWKB length: 5 item_create_init: info: native function: DECODE length: 6 item_create_init: info: native function: IS_FREE_LOCK length: 12 item_create_init: info: native function: WEEKDAY length: 7 item_create_init: info: native function: LOAD_FILE length: 9 item_create_init: info: native function: YEARWEEK length: 8 item_create_init: info: native function: LINEFROMTEXT length: 12 item_create_init: info: native function: ST_INTERIORRINGN length: 16 item_create_init: info: native function: BUFFER length: 6 item_create_init: info: native function: POINTFROMWKB length: 12 item_create_init: info: native function: LIKE_RANGE_MIN length: 14 item_create_init: info: native function: REVERSE length: 7 item_create_init: info: native function: LOWER length: 5 item_create_init: info: native function: MAKEDATE length: 8 item_create_init: info: native function: LOG length: 3 item_create_init: info: native function: UNCOMPRESSED_LENGTH length: 19 item_create_init: info: native function: COERCIBILITY length: 12 item_create_init: info: native function: ADDTIME length: 7 item_create_init: info: native function: MD5 length: 3 item_create_init: info: native function: SEC_TO_TIME length: 11 item_create_init: info: native function: GREATEST length: 8 item_create_init: info: native function: POWER length: 5 item_create_init: info: native function: MAKETIME length: 8 item_create_init: info: native function: TOUCHES length: 7 item_create_init: info: native function: MLINEFROMTEXT length: 13 item_create_init: info: native function: ST_POINTFROMTEXT length: 16 item_create_init: info: native function: FOUND_ROWS length: 10 item_create_init: info: native function: SUBTIME length: 7 item_create_init: info: native function: CONNECTION_ID length: 13 item_create_init: info: native function: OVERLAPS length: 8 item_create_init: info: native function: LOG2 length: 4 item_create_init: info: native function: ST_ASWKT length: 8 item_create_init: info: native function: LPAD length: 4 item_create_init: info: native function: PERIOD_ADD length: 10 item_create_init: info: native function: ISCLOSED length: 8 item_create_init: info: native function: ST_GEOMETRYTYPE length: 15 item_create_init: info: native function: RADIANS length: 7 item_create_init: info: native function: SQRT length: 4 item_create_init: info: native function: COLUMN_CHECK length: 12 item_create_init: info: native function: BINLOG_GTID_POS length: 15 item_create_init: info: native function: CHARACTER_LENGTH length: 16 item_create_init: info: native function: ST_Y length: 4 item_create_init: info: native function: CONV length: 4 item_create_init: info: native function: WITHIN length: 6 item_create_init: info: native function: MBREQUAL length: 8 item_create_init: info: native function: SIN length: 3 item_create_init: info: native function: MPOINTFROMWKB length: 13 item_create_init: info: native function: MONTHNAME length: 9 item_create_init: info: native function: DEGREES length: 7 item_create_init: info: native function: TAN length: 3 item_create_init: info: native function: GEOMETRYFROMTEXT length: 16 item_create_init: info: native function: ST_UNION length: 8 item_create_init: info: native function: COLUMN_EXISTS length: 13 item_create_init: info: native function: VERSION length: 7 item_create_init: info: native function: DAYOFMONTH length: 10 item_create_init: info: native function: ST_POLYFROMWKB length: 14 item_create_init: info: native function: CEILING length: 7 item_create_init: info: native function: ST_ISCLOSED length: 11 item_create_init: info: native function: OCTET_LENGTH length: 12 item_create_init: info: native function: STR_TO_DATE length: 11 item_create_init: info: native function: IS_USED_LOCK length: 12 item_create_init: info: native function: GEOMETRYCOLLECTIONFROMTEXT length: 26 item_create_init: info: native function: MULTIPOLYGONFROMWKB length: 19 item_create_init: info: native function: UNIX_TIMESTAMP length: 14 item_create_init: info: native function: MULTILINESTRINGFROMTEXT length: 23 item_create_init: info: native function: INTERIORRINGN length: 13 item_create_init: info: native function: RTRIM length: 5 item_create_init: info: native function: UUID length: 4 item_create_init: info: native function: X length: 1 item_create_init: info: native function: MULTIPOINTFROMWKB length: 17 item_create_init: info: native function: REGEXP_REPLACE length: 14 item_create_init: info: native function: Y length: 1 item_create_init: info: native function: NUMINTERIORRINGS length: 16 item_create_init: info: native function: MBRTOUCHES length: 10 item_create_init: info: native function: ASBINARY length: 8 item_create_init: info: native function: ST_LINESTRINGFROMWKB length: 20 item_create_init: info: native function: MPOLYFROMTEXT length: 13 item_create_init: info: native function: TIME_FORMAT length: 11 item_create_init: info: native function: FIELD length: 5 item_create_init: info: native function: TIME_TO_SEC length: 11 item_create_init: info: native function: RPAD length: 4 item_create_init: info: native function: HEX length: 3 item_create_init: info: native function: FROM_DAYS length: 9 item_create_init: info: native function: ST_ASWKB length: 8 item_create_init: info: native function: MPOLYFROMWKB length: 12 item_create_init: info: native function: ST_POINTFROMWKB length: 15 item_create_init: info: native function: ROUND length: 5 item_create_init: info: native function: MBRDISJOINT length: 11 item_create_init: info: native function: GEOMETRYTYPE length: 12 item_create_init: info: native function: TO_SECONDS length: 10 item_create_init: info: native function: PERIOD_DIFF length: 11 item_create_init: info: native function: ST_CONTAINS length: 11 item_create_init: info: native function: FORMAT length: 6 item_create_init: info: native function: LENGTH length: 6 item_create_init: info: native function: LAST_INSERT_ID length: 14 item_create_init: info: native function: UCASE length: 5 item_create_init: info: native function: ST_GIS_DEBUG length: 12 item_create_init: info: native function: LOG10 length: 5 item_create_init: info: native function: LOCATE length: 6 item_create_init: info: native function: INSTR length: 5 item_create_init: info: native function: LIKE_RANGE_MAX length: 14 item_create_init: info: native function: SOUNDEX length: 7 item_create_init: info: native function: ST_EQUALS length: 9 item_create_init: info: native function: ST_POLYFROMTEXT length: 15 item_create_init: info: native function: ORD length: 3 item_create_init: info: native function: ST_GEOMFROMTEXT length: 15 item_create_init: info: native function: LN length: 2 item_create_init: info: native function: NAME_CONST length: 10 item_create_init: info: native function: EXTRACTVALUE length: 12 item_create_init: info: native function: BIN length: 3 item_create_init: info: native function: MULTIPOLYGONFROMTEXT length: 20 item_create_init: info: native function: ST_STARTPOINT length: 13 item_create_init: info: native function: ST_ASBINARY length: 11 item_create_init: info: native function: GEOMFROMTEXT length: 12 item_create_init: info: native function: POLYGONFROMWKB length: 14 item_create_init: info: native function: MBROVERLAPS length: 11 item_create_init: info: native function: ST_LENGTH length: 9 item_create_init: info: native function: ST_WITHIN length: 9 item_create_init: info: native function: STRCMP length: 6 item_create_init: info: native function: BENCHMARK length: 9 item_create_init: info: native function: ST_EXTERIORRING length: 15 item_create_init: info: native function: UNCOMPRESS length: 10 item_create_init: info: native function: RELEASE_LOCK length: 12 item_create_init: info: native function: WEEKOFYEAR length: 10 item_create_init: info: native function: SHA2 length: 4 item_create_init: info: native function: ST_POINTN length: 9 item_create_init: info: native function: ST_GEOMETRYN length: 12 item_create_init: info: native function: ST_GEOMETRYFROMTEXT length: 19 item_create_init: info: native function: REGEXP_INSTR length: 12 item_create_init: info: native function: UNHEX length: 5 item_create_init: info: native function: AREA length: 4 item_create_init: info: native function: FROM_BASE64 length: 11 item_create_init: info: native function: ST_AREA length: 7 item_create_init: info: native function: TIMEDIFF length: 8 item_create_init: info: native function: ST_POLYGONFROMWKB length: 17 item_create_init: info: native function: ST_X length: 4 item_create_init: info: native function: IS_IPV6 length: 7 item_create_init: info: native function: ST_TOUCHES length: 10 item_create_init: info: native function: IS_IPV4 length: 7 item_create_init: info: native function: ST_DISJOINT length: 11 item_create_init: info: native function: MULTIPOINTFROMTEXT length: 18 item_create_init: info: native function: ST_POLYGONFROMTEXT length: 18 item_create_init: info: native function: DES_ENCRYPT length: 11 item_create_init: info: native function: LTRIM length: 5 item_create_init: info: native function: ST_LINEFROMTEXT length: 15 item_create_init: info: native function: LAST_DAY length: 8 item_create_init: info: native function: ST_GEOMCOLLFROMWKB length: 18 item_create_init: info: native function: NULLIF length: 6 item_create_init: info: native function: ST_NUMINTERIORRINGS length: 19 item_create_init: info: native function: ST_SYMDIFFERENCE length: 16 item_create_init: info: native function: MBRCONTAINS length: 11 item_create_init: info: native function: GLENGTH length: 7 item_create_init: info: native function: GEOMCOLLFROMWKB length: 15 item_create_init: info: native function: MAKE_SET length: 8 item_create_init: info: native function: SHA1 length: 4 item_create_init: info: native function: ST_GEOMETRYCOLLECTIONFROMTEXT length: 29 item_create_init: info: native function: ST_ISSIMPLE length: 11 item_create_init: info: native function: STARTPOINT length: 10 item_create_init: info: native function: SIGN length: 4 item_create_init: info: native function: ST_GEOMETRYFROMWKB length: 18 item_create_init: info: native function: CROSSES length: 7 item_create_init: info: native function: UUID_SHORT length: 10 get_charsets_dir: info: charsets dir: '/usr/share/mysql/charsets/' ?func: info: lower_case_table_names: 0 141101 20:25:44 mysqld_safe WSREP: Failed to recover position: 'init_simple_key_cache: info: key_cache_block_size: 1024 141101 20:24:12 [Note] InnoDB: Using mutexes to ref count buffer pool pages 2014-11-01 20:24:12 7f79a7bc27c0 InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!! 2014-11-01 20:24:12 7f79a7bc27c0 InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!! 141101 20:24:12 [Note] InnoDB: The InnoDB memory heap is disabled 141101 20:24:12 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 141101 20:24:12 [Note] InnoDB: Memory barrier is not used 141101 20:24:12 [Note] InnoDB: Compressed tables use zlib 1.2.8 141101 20:24:12 [Note] InnoDB: Using Linux native AIO 141101 20:24:12 [Note] InnoDB: Not using CPU crc32 instructions 141101 20:24:12 [Note] InnoDB: Initializing buffer pool, size = 128.0M 141101 20:24:12 [Note] InnoDB: Completed initialization of buffer pool 141101 20:24:12 [Note] InnoDB: Highest supported file format is Barracuda. add_identifier: info: conv 'SYS_TABLESPACES' -> 'SYS_TABLESPACES' add_identifier: info: conv 'SYS_FOREIGN' -> 'SYS_FOREIGN' add_identifier: info: conv 'SYS_DATAFILES' -> 'SYS_DATAFILES' add_identifier: info: conv 'SYS_DATAFILES' -> 'SYS_DATAFILES' add_identifier: info: conv 'SYS_FOREIGN' -> 'SYS_FOREIGN' add_identifier: info: conv 'SYS_FOREIGN_COLS' -> 'SYS_FOREIGN_COLS' add_identifier: info: conv 'SYS_TABLESPACES' -> 'SYS_TABLESPACES' add_identifier: info: conv 'mysql' -> 'mysql' add_identifier: info: conv 'gtid_slave_pos' -> 'gtid_slave_pos' add_identifier: info: conv 'mysql' -> 'mysql' add_identifier: info: conv 'innodb_index_stats' -> 'innodb_index_stats' add_identifier: info: conv 'mysql' -> 'mysql' add_identifier: info: conv 'innodb_table_stats' -> 'innodb_table_stats' add_identifier: info: conv 'oq_test' -> 'oq_test' add_identifier: info: conv 'oq_backing' -> 'oq_backing' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'airports' -> 'airports' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'flight_bookmarks' -> 'flight_bookmarks' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'flight_cache_status' -> 'flight_cache_status' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'flights' -> 'flights' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'map_venues' -> 'map_venues' add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'statics' -> 'statics' 141101 20:24:13 [Note] InnoDB: 128 rollback segment(s) are active. add_identifier: info: conv 'SYS_FOREIGN_COLS' -> 'SYS_FOREIGN_COLS' 141101 20:24:13 [Note] InnoDB: Waiting for purge to start 141101 20:24:13 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.20-68.0 started; log sequence number 8834635 ha_initialize_handlerton: info: dummy_transaction_object: 0x7f79a9807500 ma_control_file_open: info: crc: 2782412770 ma_control_file_open: info: crc: 3027337538 init_pagecache: info: block_size: 8192 init_pagecache: info: block_size: 8192 check_translog_description_table: info: record type: 0 class: 0 fixed: 0 header: 0 LSNs: 0 name: reserved check_translog_description_table: info: record type: 1 class: 1 fixed: 0 header: 8 LSNs: 0 name: redo_insert_row_head check_translog_description_table: info: record type: 2 class: 1 fixed: 0 header: 8 LSNs: 0 name: redo_insert_row_tail check_translog_description_table: info: record type: 3 class: 1 fixed: 0 header: 8 LSNs: 0 name: redo_new_row_head check_translog_description_table: info: record type: 4 class: 1 fixed: 0 header: 8 LSNs: 0 name: redo_new_row_tail check_translog_description_table: info: record type: 5 class: 1 fixed: 0 header: 2 LSNs: 0 name: redo_insert_row_blobs check_translog_description_table: info: record type: 6 class: 3 fixed: 8 header: 8 LSNs: 0 name: redo_purge_row_head check_translog_description_table: info: record type: 7 class: 3 fixed: 8 header: 8 LSNs: 0 name: redo_purge_row_tail check_translog_description_table: info: record type: 8 class: 1 fixed: 0 header: 4 LSNs: 0 name: redo_free_blocks check_translog_description_table: info: record type: 9 class: 3 fixed: 7 header: 7 LSNs: 0 name: redo_free_head_or_tail check_translog_description_table: info: record type: 10 class: 3 fixed: 16 header: 16 LSNs: 0 name: redo_delete_row check_translog_description_table: info: record type: 11 class: 1 fixed: 0 header: 9 LSNs: 0 name: redo_update_row_head check_translog_description_table: info: record type: 12 class: 1 fixed: 0 header: 9 LSNs: 0 name: redo_index check_translog_description_table: info: record type: 13 class: 1 fixed: 0 header: 14 LSNs: 0 name: redo_index_new_page check_translog_description_table: info: record type: 14 class: 3 fixed: 12 header: 12 LSNs: 0 name: redo_index_free_page check_translog_description_table: info: record type: 15 class: 3 fixed: 16 header: 16 LSNs: 0 name: redo_undelete_row check_translog_description_table: info: record type: 16 class: 1 fixed: 0 header: 10 LSNs: 1 name: clr_end check_translog_description_table: info: record type: 17 class: 2 fixed: 5 header: 5 LSNs: 1 name: purge_end check_translog_description_table: info: record type: 18 class: 1 fixed: 0 header: 15 LSNs: 1 name: undo_row_insert check_translog_description_table: info: record type: 19 class: 1 fixed: 0 header: 15 LSNs: 1 name: undo_row_delete check_translog_description_table: info: record type: 20 class: 1 fixed: 0 header: 15 LSNs: 1 name: undo_row_update check_translog_description_table: info: record type: 21 class: 1 fixed: 0 header: 10 LSNs: 1 name: undo_key_insert check_translog_description_table: info: record type: 22 class: 1 fixed: 0 header: 15 LSNs: 1 name: undo_key_insert_with_root check_translog_description_table: info: record type: 23 class: 1 fixed: 0 header: 10 LSNs: 1 name: undo_key_delete check_translog_description_table: info: record type: 24 class: 1 fixed: 0 header: 15 LSNs: 1 name: undo_key_delete_with_root check_translog_description_table: info: record type: 25 class: 1 fixed: 0 header: 0 LSNs: 0 name: prepare check_translog_description_table: info: record type: 26 class: 1 fixed: 0 header: 7 LSNs: 1 name: prepare_with_undo_purge check_translog_description_table: info: record type: 27 class: 3 fixed: 0 header: 0 LSNs: 0 name: commit check_translog_description_table: info: record type: 28 class: 2 fixed: 5 header: 5 LSNs: 1 name: commit_with_undo_purge check_translog_description_table: info: record type: 29 class: 1 fixed: 0 header: 0 LSNs: 0 name: checkpoint check_translog_description_table: info: record type: 30 class: 1 fixed: 0 header: 3 LSNs: 0 name: redo_create_table check_translog_description_table: info: record type: 31 class: 1 fixed: 0 header: 0 LSNs: 0 name: redo_rename_table check_translog_description_table: info: record type: 32 class: 1 fixed: 0 header: 0 LSNs: 0 name: redo_drop_table check_translog_description_table: info: record type: 33 class: 3 fixed: 2 header: 2 LSNs: 0 name: redo_delete_all check_translog_description_table: info: record type: 34 class: 3 fixed: 18 header: 18 LSNs: 0 name: redo_repair_table check_translog_description_table: info: record type: 35 class: 1 fixed: 0 header: 2 LSNs: 0 name: file_id check_translog_description_table: info: record type: 36 class: 3 fixed: 6 header: 6 LSNs: 0 name: long_transaction_id check_translog_description_table: info: record type: 37 class: 3 fixed: 2 header: 2 LSNs: 0 name: incomplete_log check_translog_description_table: info: record type: 38 class: 3 fixed: 0 header: 0 LSNs: 0 name: incomplete_group check_translog_description_table: info: record type: 39 class: 1 fixed: 0 header: 9 LSNs: 1 name: undo_bulk_insert check_translog_description_table: info: record type: 40 class: 3 fixed: 12 header: 12 LSNs: 0 name: redo_create_bitmap check_translog_description_table: info: record type: 41 class: 1 fixed: 0 header: 0 LSNs: 0 name: imported_table check_translog_description_table: info: record type: 42 class: 1 fixed: 0 header: 0 LSNs: 0 name: info translog_init_with_table: info: Overhead: 7 pc2: 8184 bc2: 1047552, bc2/2: 523776 translog_start_buffer: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a8ffbfb8 get_current_logfile: info: max_file: 1 min_file: 1 open_files: 1 translog_start_buffer: info: file: #0 (-1) init cursor #0: 0x7f79a8ffbfb8 chaser: 0 Size: 0 (0) translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a8ffbfb8 translog_init_with_table: info: translog_buffer buffer #0: 0x7f79a8ffbfb8 translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a90fc140 translog_init_with_table: info: translog_buffer buffer #1: 0x7f79a8ffbfb9 translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a91fc2c8 translog_init_with_table: info: translog_buffer buffer #2: 0x7f79a8ffbfba translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a92fc450 translog_init_with_table: info: translog_buffer buffer #3: 0x7f79a8ffbfbb translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a93fc5d8 translog_init_with_table: info: translog_buffer buffer #4: 0x7f79a8ffbfbc translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a94fc760 translog_init_with_table: info: translog_buffer buffer #5: 0x7f79a8ffbfbd translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a95fc8e8 translog_init_with_table: info: translog_buffer buffer #6: 0x7f79a8ffbfbe translog_buffer_init: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a96fca70 translog_init_with_table: info: translog_buffer buffer #7: 0x7f79a8ffbfbf translog_init_with_table: info: log found... get_logfile_by_number: info: File #1 is not opened translog_filename_by_fileno: info: Path: '/var/lib/mysql/aria_log.00000001' path: 0x7fff19542620 translog_get_last_page_addr: info: File size: 16384 translog_get_last_page_addr: info: Last page: 0x2000 ok: 1 translog_first_file: info: first file :1 translog_filename_by_fileno: info: Path: '/var/lib/mysql/aria_log.00000001' path: 0x7fff19542630 open_logfile_by_number_no_cache: info: File: '/var/lib/mysql/aria_log.00000001' handler: 16 translog_init_with_table: info: The log is really present get_logfile_by_number: info: File 0x7f79a4c60670 File no: 1, File handler: 16 translog_get_last_page_addr: info: File size: 16384 translog_get_last_page_addr: info: Last page: 0x2000 ok: 1 translog_get_page: info: in_buffers: (0,0x0) get_logfile_by_number: info: File 0x7f79a4c60670 File no: 1, File handler: 16 find_block: info: page to be read set for page 0x7f798b62b070 (0) find_block: info: block: 0x7f798b62b070 fd: 16 pos: 1 block->status: 0 page_status: 1 pagecache_read: info: Block type: EMPTY current type PLAIN pagecache_read: info: read is done make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN get_rdlock: info: the block 0x7f798b62b070 files 16(16) pages 1(1) get_rdlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN get_rdlock: info: RD lock set, block 0x7f798b62b070 make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN remove_reader: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN release_wrlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN release_wrlock: info: RD lock decreased, block 0x7f798b62b070 release_wrlock: info: RD lock reset, block 0x7f798b62b070 release_wrlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN unreg_request: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN link_block: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 0/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN translog_get_page: info: Direct link is assigned to : 0x0 * 0x0 translog_init_with_table: info: Last valid page is in file: 1 offset: 8192 (0x2000) Logs found: 1 was recovered: 0 flags match: 1 translog_get_page: info: in_buffers: (0,0x0) get_logfile_by_number: info: File 0x7f79a4c60670 File no: 1, File handler: 16 reg_requests: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 0/1 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN find_block: info: block: 0x7f798b62b070 fd: 16 pos: 1 block->status: 2 page_status: 0 pagecache_read: info: Block type: PLAIN current type PLAIN make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN get_rdlock: info: the block 0x7f798b62b070 files 16(16) pages 1(1) get_rdlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN get_rdlock: info: RD lock set, block 0x7f798b62b070 make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN remove_reader: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/1 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN release_wrlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 1 rdlocks_q: 0 pins: 0 type: PLAIN release_wrlock: info: RD lock decreased, block 0x7f798b62b070 release_wrlock: info: RD lock reset, block 0x7f798b62b070 release_wrlock: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN make_lock_and_pin: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN unreg_request: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 1/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN link_block: info: block: 0x7f798b62b070 fd: 16 page: 1 status: 0x2 hshL: 0x7f798b6358f0 requests: 0/0 wrlocks: 0 rdlocks: 0 rdlocks_q: 0 pins: 0 type: PLAIN translog_get_page: info: Direct link is assigned to : 0x0 * 0x0 translog_start_buffer: info: last_lsn and prev_last_lsn set to 0 buffer: 0x7f79a8ffbfb8 get_current_logfile: info: max_file: 1 min_file: 1 open_files: 1 translog_start_buffer: info: file: #1 (16) init cursor #0: 0x7f79a8ffbfb8 chaser: 0 Size: 0 (0) translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8185 translog_init_with_table: info: chunk: offset: 7 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8141 translog_init_with_table: info: chunk: offset: 51 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8097 translog_init_with_table: info: chunk: offset: 95 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8053 translog_init_with_table: info: chunk: offset: 139 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8009 translog_init_with_table: info: chunk: offset: 183 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7965 translog_init_with_table: info: chunk: offset: 227 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7921 translog_init_with_table: info: chunk: offset: 271 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7877 translog_init_with_table: info: chunk: offset: 315 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7833 translog_init_with_table: info: chunk: offset: 359 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7789 translog_init_with_table: info: chunk: offset: 403 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7745 translog_init_with_table: info: chunk: offset: 447 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7701 translog_init_with_table: info: chunk: offset: 491 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7657 translog_init_with_table: info: chunk: offset: 535 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7613 translog_init_with_table: info: chunk: offset: 579 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7569 translog_init_with_table: info: chunk: offset: 623 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7525 translog_init_with_table: info: chunk: offset: 667 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7481 translog_init_with_table: info: chunk: offset: 711 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7437 translog_init_with_table: info: chunk: offset: 755 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7393 translog_init_with_table: info: chunk: offset: 799 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7349 translog_init_with_table: info: chunk: offset: 843 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7305 translog_init_with_table: info: chunk: offset: 887 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7261 translog_init_with_table: info: chunk: offset: 931 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7217 translog_init_with_table: info: chunk: offset: 975 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7173 translog_init_with_table: info: chunk: offset: 1019 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7129 translog_init_with_table: info: chunk: offset: 1063 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7085 translog_init_with_table: info: chunk: offset: 1107 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7041 translog_init_with_table: info: chunk: offset: 1151 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6997 translog_init_with_table: info: chunk: offset: 1195 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6953 translog_init_with_table: info: chunk: offset: 1239 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6909 translog_init_with_table: info: chunk: offset: 1283 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6865 translog_init_with_table: info: chunk: offset: 1327 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6821 translog_init_with_table: info: chunk: offset: 1371 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6777 translog_init_with_table: info: chunk: offset: 1415 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6733 translog_init_with_table: info: chunk: offset: 1459 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6689 translog_init_with_table: info: chunk: offset: 1503 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6645 translog_init_with_table: info: chunk: offset: 1547 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6601 translog_init_with_table: info: chunk: offset: 1591 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6557 translog_init_with_table: info: chunk: offset: 1635 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6513 translog_init_with_table: info: chunk: offset: 1679 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6469 translog_init_with_table: info: chunk: offset: 1723 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6425 translog_init_with_table: info: chunk: offset: 1767 length: 44 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6381 translog_init_with_table: info: chunk: offset: 1811 length: 44 translog_init_with_table: info: Move Page #0: 0x7f79a8ffbfb8 chaser: 0 Size: 1855 (1855) translog_read_file_header: info: timestamp: 1401530147087793 aria ver: 10000 mysql ver: 100011 server id 73727 page size 8192 file number 1 max lsn: (0,0x0) translog_init_with_table: info: Logs found: 1 was recovered: 0 translog_scanner_init: info: horizon: (1,0x273f) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8185 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8141 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8097 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8053 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 8009 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7965 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7921 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7877 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7833 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7789 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7745 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7701 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7657 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7613 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7569 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7525 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7481 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7437 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7393 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7349 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7305 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7261 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7217 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7173 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7129 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7085 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 7041 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6997 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6953 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6909 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6865 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6821 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6777 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6733 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6689 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6645 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6601 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6557 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6513 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6469 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6425 translog_scanner_eol: info: Horizon is not reached translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6381 translog_scanner_eol: info: Horizon is fixed and reached translog_free_link: info: Direct link: 0x0 translog_init_with_table: info: going to check the last found record (1,0x2713) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_read_record_header_from_buffer: info: page byte: 0x1d offset: 1811 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_read_record_header_from_buffer: info: Type 29, Short TrID 0, LSN (1,0x2713) translog_variable_length_header: info: rec len: 38 chunk len: 0 length: 0 bufflen: 0 translog_variable_length_header: info: 1 group translog_variable_length_header: info: non_header_data_start_offset: 1817 len: 38 buffer: 0 translog_free_link: info: Direct link: 0x0 translog_scanner_init: info: horizon: (1,0x273f) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_read_record_header_from_buffer: info: page byte: 0x1d offset: 1811 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_read_record_header_from_buffer: info: Type 29, Short TrID 0, LSN (1,0x2713) translog_variable_length_header: info: rec len: 38 chunk len: 0 length: 0 bufflen: 0 translog_variable_length_header: info: 1 group translog_variable_length_header: info: non_header_data_start_offset: 1817 len: 38 buffer: 0 translog_init_reader_data: info: read_header: 0 body_offset: 1817 chunk_size: 38 current_offset: 0 translog_read_record: info: Offset: 37 length: 1 Scanner: Cur: (1,0x2000) Hrz: (1,0x273f) Lst: (1,0x2000) Offset: 1811(713) fixed: 1 translog_read_record: info: enter body offset: 37 curr: 0 length: 1 page_end: 38 translog_free_link: info: Direct link: 0x0 translog_init_with_table: info: previous_flush_horizon: (1,0x273f) maria_recovery_from_log: info: TRACE of the last Aria recovery from mysqld ma_service_thread_control_init: info: init: OK trnman_init: info: mysql_mutex_init LOCK_trn_list maria_apply_log: info: Loading data from checkpoint record at LSN (1,0x2713) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_read_record_header_from_buffer: info: page byte: 0x1d offset: 1811 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_read_record_header_from_buffer: info: Type 29, Short TrID 0, LSN (1,0x2713) translog_variable_length_header: info: rec len: 38 chunk len: 0 length: 0 bufflen: 0 translog_variable_length_header: info: 1 group translog_variable_length_header: info: non_header_data_start_offset: 1817 len: 38 buffer: 0 translog_free_link: info: Direct link: 0x0 translog_scanner_init: info: horizon: (1,0x273f) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_read_record_header_from_buffer: info: page byte: 0x1d offset: 1811 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_read_record_header_from_buffer: info: Type 29, Short TrID 0, LSN (1,0x2713) translog_variable_length_header: info: rec len: 38 chunk len: 0 length: 0 bufflen: 0 translog_variable_length_header: info: 1 group translog_variable_length_header: info: non_header_data_start_offset: 1817 len: 38 buffer: 0 translog_init_reader_data: info: read_header: 0 body_offset: 1817 chunk_size: 38 current_offset: 0 translog_read_record: info: Offset: 0 length: 38 Scanner: Cur: (1,0x2000) Hrz: (1,0x273f) Lst: (1,0x2000) Offset: 1811(713) fixed: 1 translog_read_record: info: enter body offset: 0 curr: 0 length: 38 page_end: 38 translog_free_link: info: Direct link: 0x0 maria_apply_log: info: Checkpoint record has start_horizon at (1,0x2713) maria_apply_log: info: 0 active transactions maria_apply_log: info: Checkpoint record has min_rec_lsn of active transactions at (16777215,0xffffffff) maria_apply_log: info: 0 committed transactions maria_apply_log: info: 0 open tables maria_apply_log: info: 0 dirty pages translog_scanner_init: info: horizon: (1,0x273f) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_free_link: info: Direct link: 0x0 maria_apply_log: info: Checkpoint record start_horizon now adjusted to LSN (1,0x2713) maria_apply_log: info: Checkpoint has min_rec_lsn of dirty pages at LSN (16777215,0xffffffff) maria_apply_log: info: checkpoint_start: (1,0x2713) start_address: (1,0x2713) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 translog_read_record_header_from_buffer: info: page byte: 0x1d offset: 1811 translog_is_LSN_chunk: info: byte: 1d chunk type: 0 record type: 29 translog_read_record_header_from_buffer: info: Type 29, Short TrID 0, LSN (1,0x2713) translog_variable_length_header: info: rec len: 38 chunk len: 0 length: 0 bufflen: 0 translog_variable_length_header: info: 1 group translog_variable_length_header: info: non_header_data_start_offset: 1817 len: 38 buffer: 0 translog_free_link: info: Direct link: 0x0 translog_scanner_init: info: horizon: (1,0x273f) translog_get_page: info: in_buffers: (1,0x2000) translog_get_page: info: This is last unfinished page, last protected sector 0 run_redo_phase: info: Rec#1 LSN (1,0x2713) short_trid 0 checkpoint(num_type:29) len 38 run_redo_phase: info: CHECKPOINT found translog_read_next_record_header: info: Scanner: Cur: (1,0x2000) Hrz: (1,0x273f) Lst: (1,0x2000) Offset: 1811(713) fixed: 1 translog_get_total_chunk_length: info: TRANSLOG_CHUNK_LSN translog_get_total_chunk_length: info: rec len: 38 chunk len: 0 header len: 6 translog_get_total_chunk_length: info: page_rest 6381 translog_scanner_eol: info: Horizon is fixed and reached translog_read_next_record_header: info: End of file from the scanner run_redo_phase: info: EOF on the log translog_free_link: info: Direct link: 0x0 trnman_destroy: info: mysql_mutex_destroy LOCK_trn_list maria_apply_log: info: Maximum transaction long id seen: 0 maria_apply_log: info: Maximum transaction long id seen in control file: 0 trnman_init: info: mysql_mutex_init LOCK_trn_list maria_recovery_from_log: info: SUCCESS ma_service_thread_control_init: info: init: OK 141101 20:24:13 [Note] Plugin 'FEEDBACK' is disabled. my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79a4c62b30 into 0x7f79a8fa2900 (id: 19 -> 18) add_to_locked_mutex: info: inserting 0x7f79a4c62bf0 into 0x7f79a8fa1f40 (id: 10 -> 3) add_to_locked_mutex: info: inserting 0x7f79a4c62bf0 into 0x7f79a8fa2180 (id: 10 -> 4) my_malloc: info: memory_used: 1048 size: 256 ?func: info: Maria background checkpoint thread starts my_service_thread_sleep: info: sleeping 29000000000 nano seconds MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 0 add_to_locked_mutex: info: inserting 0x7f79a4c62d70 into 0x7f79a4c6d1d8 (id: 2 -> 22) my_malloc: info: memory_used: 1304 size: 1520 add_to_locked_mutex: info: inserting 0x7f79a4c62cb0 into 0x7f79a4c6d1d8 (id: 10 -> 22) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 10 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2824 size: -1520 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79a4c62e30 into 0x7f79a9809780 (id: 2 -> 23) add_to_locked_mutex: info: inserting 0x7f79a4c62ef0 into 0x7f79a9809780 (id: 11 -> 23) add_to_locked_mutex: info: inserting 0x7f79927e9370 into 0x7f79a9809780 (id: 24 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e96b80 write_set: 0x7f79a4e96ba0 my_malloc: info: memory_used: 1304 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/plugin.MYI key_file: 2048 data_file: 272 rows: 8 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f79a4c6d3a8 write_set: 0x7f79a4c6d3a8 plugin_load: info: init plugin record plugin_load: info: init plugin record add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2180 (id: 12 -> 4) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a4c6d1d8 (id: 12 -> 22) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa1f40 (id: 12 -> 3) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa7060 (id: 12 -> 10) 141101 20:24:13 [ERROR] Function 'TokuDB' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_trx' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_trx' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_lock_waits' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_lock_waits' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_locks' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_locks' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_file_map' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_file_map' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_fractal_tree_info' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_fractal_tree_info' with soname 'ha_tokudb.so'. plugin_load: info: init plugin record 141101 20:24:13 [ERROR] Function 'TokuDB_fractal_tree_block_map' already exists 141101 20:24:13 [Warning] Couldn't load plugin named 'TokuDB_fractal_tree_block_map' with soname 'ha_tokudb.so'. _mi_writeinfo: info: operation: 0 tot_locks: 1 mi_restore_status: info: key_file: 2048 data_file: 272 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4e96a70 close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79a4c62fb0 into 0x7f79a9809780 (id: 27 -> 23) add_to_locked_mutex: info: inserting 0x7f79a4c62d70 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79a4c62cb0 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e9370 into 0x7f79a8fc6600 (id: 22 -> 28) tdc_release_share: info: moving share to unused list MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c164c0 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1336 size: -256 plugin_thdvar_cleanup: info: unlocking 2 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1080 size: -32 my_free: info: memory_used: 1048 size: -1048 tokudb_init_func: info: tokudb_home: /var/lib/mysql/ tokudb_init_func: info: tokudb_env_flags: 0x0 tokudb_init_func: info: tokudb_data_dir: . tokudb_init_func: info: tokudb_tmp_dir: . tokudb_init_func: info: tokudb_cache_size: 1303738368 tokudb_init_func: info: tokudb_max_lock_memory: 162967296 ha_initialize_handlerton: oq-debug: oqgraph_init my_chsize: info: old_size: 0 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927e9bb0 into 0x7f79a8fa2900 (id: 32 -> 18) my_malloc: info: memory_used: 1048 size: 256 servers_reload: info: locking servers_cache MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 1 add_to_locked_mutex: info: inserting 0x7f79927e9d30 into 0x7f79a4c6d8d8 (id: 2 -> 33) my_malloc: info: memory_used: 1304 size: 2704 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a4c6d8d8 (id: 12 -> 33) add_to_locked_mutex: info: inserting 0x7f79927e9c70 into 0x7f79a4c6d8d8 (id: 10 -> 33) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 66 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 4008 size: -2704 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927e9df0 into 0x7f79a9809780 (id: 34 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e96b80 write_set: 0x7f79a4e96ba0 my_malloc: info: memory_used: 1304 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/servers.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4e96a70 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 servers_reload: info: unlocking servers_cache trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1336 size: -256 plugin_thdvar_cleanup: info: unlocking 2 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1080 size: -32 my_free: info: memory_used: 1048 size: -1048 network_init: info: server started my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927e9bb0 into 0x7f79a8fa2900 (id: 38 -> 18) my_malloc: info: memory_used: 1048 size: 256 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1304 size: -256 ~THD(): info: freeing security context my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927e9bb0 into 0x7f79a8fa2900 (id: 40 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 2 add_to_locked_mutex: info: inserting 0x7f79927e9eb0 into 0x7f79a4c6edd8 (id: 2 -> 42) my_malloc: info: memory_used: 1304 size: 2880 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a4c6edd8 (id: 12 -> 42) add_to_locked_mutex: info: inserting 0x7f79927ea270 into 0x7f79a4c6edd8 (id: 10 -> 42) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 8 index: 1 n_length: 595 int_length: 28 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 add_to_locked_mutex: info: inserting 0x7f79927e9f70 into 0x7f79a4c6edd8 (id: 6 -> 42) TABLE_SHARE::init_from_binary_frm_image: info: records: 44 seeks: 104 max links: 7 hitrate: 2.36 my_free: info: memory_used: 4184 size: -2880 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ea3f0 into 0x7f79a9809780 (id: 43 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e98780 write_set: 0x7f79a4e987a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 3 add_to_locked_mutex: info: inserting 0x7f79927ea1b0 into 0x7f798b7408d8 (id: 2 -> 46) my_malloc: info: memory_used: 1304 size: 2680 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7408d8 (id: 12 -> 46) add_to_locked_mutex: info: inserting 0x7f79927ea570 into 0x7f798b7408d8 (id: 10 -> 46) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 2 n_length: 281 int_length: 6 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 3984 size: -2680 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ea030 into 0x7f79a9809780 (id: 47 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e99580 write_set: 0x7f79a4e995a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 4 add_to_locked_mutex: info: inserting 0x7f79927ea0f0 into 0x7f798b740fd8 (id: 2 -> 50) my_malloc: info: memory_used: 1304 size: 1904 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b740fd8 (id: 12 -> 50) add_to_locked_mutex: info: inserting 0x7f79927ea330 into 0x7f798b740fd8 (id: 10 -> 50) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 1 n_length: 265 int_length: 6 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 3208 size: -1904 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ea630 into 0x7f79a9809780 (id: 51 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9b180 write_set: 0x7f79a4e9b1a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 5 add_to_locked_mutex: info: inserting 0x7f79927ea4b0 into 0x7f798b7416d8 (id: 2 -> 53) my_malloc: info: memory_used: 1304 size: 2840 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7416d8 (id: 12 -> 53) add_to_locked_mutex: info: inserting 0x7f79927ea7b0 into 0x7f798b7416d8 (id: 10 -> 53) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 2 n_length: 67 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 4144 size: -2840 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ea6f0 into 0x7f79a9809780 (id: 54 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9cd80 write_set: 0x7f79a4e9cda0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 6 add_to_locked_mutex: info: inserting 0x7f79927ea870 into 0x7f798b741dd8 (id: 2 -> 56) my_malloc: info: memory_used: 1304 size: 1664 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b741dd8 (id: 12 -> 56) add_to_locked_mutex: info: inserting 0x7f79927ea930 into 0x7f798b741dd8 (id: 10 -> 56) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 1 n_length: 30 int_length: 6 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2968 size: -1664 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eaab0 into 0x7f79a9809780 (id: 57 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9db80 write_set: 0x7f79a4e9dba0 my_malloc: info: memory_used: 1304 size: 64 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 5 get_lock_data: info: sql_lock->table_count 5 sql_lock->lock_count 5 lock_external: info: count 5 mi_get_status: info: name: ./mysql/roles_mapping.MYI key_file: 4096 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/proxies_priv.MYI key_file: 10240 data_file: 2538 rows: 2 concurrent_insert: 0 mi_get_status: info: name: ./mysql/user.MYI key_file: 4096 data_file: 524 rows: 4 concurrent_insert: 0 mi_get_status: info: name: ./mysql/db.MYI key_file: 9216 data_file: 1264 rows: 1 concurrent_insert: 0 mi_get_status: info: name: ./mysql/host.MYI key_file: 2048 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f798b7411a8 write_set: 0x7f798b7411a8 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f79a4c6efa8 write_set: 0x7f79a4c6efa8 acl_load: info: user table fields: 44, password length: 41 add_to_locked_mutex: info: inserting 0x7f79a4c62bf0 into 0x7f798bba3640 (id: 10 -> 64) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798bba3640 (id: 12 -> 64) add_to_locked_mutex: info: inserting 0x7f79927eac30 into 0x7f798bba3640 (id: 4 -> 64) my_malloc: info: memory_used: 1368 size: 32 my_malloc: info: memory_used: 1400 size: 32 my_malloc: info: memory_used: 1432 size: 32 my_malloc: info: memory_used: 1464 size: 32 acl_load: info: Found user root my_malloc: info: memory_used: 1496 size: 32 my_malloc: info: memory_used: 1528 size: 32 my_malloc: info: memory_used: 1560 size: 32 my_malloc: info: memory_used: 1592 size: 32 acl_load: info: Found user root my_malloc: info: memory_used: 1624 size: 32 my_malloc: info: memory_used: 1656 size: 32 my_malloc: info: memory_used: 1688 size: 32 my_malloc: info: memory_used: 1720 size: 32 acl_load: info: Found user root my_malloc: info: memory_used: 1752 size: 32 my_malloc: info: memory_used: 1784 size: 32 my_malloc: info: memory_used: 1816 size: 32 my_malloc: info: memory_used: 1848 size: 32 acl_load: info: Found user dubai _mi_writeinfo: info: operation: 0 tot_locks: 1 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f798b740aa8 write_set: 0x7f798b740aa8 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f798b7418a8 write_set: 0x7f798b7418a8 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f798b741fa8 write_set: 0x7f798b741fa8 mi_restore_status: info: key_file: 4096 data_file: 524 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 9216 data_file: 1264 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 2048 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 10240 data_file: 2538 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 4096 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4e9da70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16780 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16740 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16600 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c165c0 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1880 size: -256 plugin_thdvar_cleanup: info: unlocking 13 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1624 size: -32 my_free: info: memory_used: 1592 size: -32 my_free: info: memory_used: 1560 size: -32 my_free: info: memory_used: 1528 size: -32 my_free: info: memory_used: 1496 size: -32 my_free: info: memory_used: 1464 size: -32 my_free: info: memory_used: 1432 size: -32 my_free: info: memory_used: 1400 size: -32 my_free: info: memory_used: 1368 size: -32 my_free: info: memory_used: 1336 size: -32 my_free: info: memory_used: 1304 size: -32 my_free: info: memory_used: 1272 size: -32 my_free: info: memory_used: 1240 size: -32 my_free: info: memory_used: 1208 size: -32 my_free: info: memory_used: 1176 size: -32 my_free: info: memory_used: 1144 size: -32 my_free: info: memory_used: 1112 size: -64 my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ea9f0 into 0x7f79a8fa2900 (id: 66 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 7 add_to_locked_mutex: info: inserting 0x7f79927e9bb0 into 0x7f798b7424d8 (id: 2 -> 68) my_malloc: info: memory_used: 1304 size: 976 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7424d8 (id: 12 -> 68) add_to_locked_mutex: info: inserting 0x7f79927eae70 into 0x7f798b7424d8 (id: 10 -> 68) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 29 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2280 size: -976 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eb530 into 0x7f79a9809780 (id: 69 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9e980 write_set: 0x7f79a4e9e9a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 8 add_to_locked_mutex: info: inserting 0x7f79927eb3b0 into 0x7f798b742bd8 (id: 2 -> 71) my_malloc: info: memory_used: 1304 size: 1152 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b742bd8 (id: 12 -> 71) add_to_locked_mutex: info: inserting 0x7f79927eb2f0 into 0x7f798b742bd8 (id: 10 -> 71) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 20 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2456 size: -1152 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eb470 into 0x7f79a9809780 (id: 72 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea0580 write_set: 0x7f79a4ea05a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 9 add_to_locked_mutex: info: inserting 0x7f79927eb830 into 0x7f798b7438d8 (id: 2 -> 74) my_malloc: info: memory_used: 1304 size: 976 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7438d8 (id: 12 -> 74) add_to_locked_mutex: info: inserting 0x7f79927eb6b0 into 0x7f798b7438d8 (id: 10 -> 74) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 1 n_length: 32 int_length: 6 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2280 size: -976 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eb5f0 into 0x7f79a9809780 (id: 75 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea1380 write_set: 0x7f79a4ea13a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 10 add_to_locked_mutex: info: inserting 0x7f79927eb770 into 0x7f798b743fd8 (id: 2 -> 77) my_malloc: info: memory_used: 1304 size: 1080 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b743fd8 (id: 12 -> 77) add_to_locked_mutex: info: inserting 0x7f79927ebb30 into 0x7f798b743fd8 (id: 10 -> 77) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 61 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2384 size: -1080 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ebbf0 into 0x7f79a9809780 (id: 78 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea2f80 write_set: 0x7f79a4ea2fa0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 11 add_to_locked_mutex: info: inserting 0x7f79927ebd70 into 0x7f798b7446d8 (id: 2 -> 80) my_malloc: info: memory_used: 1304 size: 1016 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7446d8 (id: 12 -> 80) add_to_locked_mutex: info: inserting 0x7f79927eb8f0 into 0x7f798b7446d8 (id: 10 -> 80) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 50 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2320 size: -1016 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ebcb0 into 0x7f79a9809780 (id: 81 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea4b80 write_set: 0x7f79a4ea4ba0 my_malloc: info: memory_used: 1304 size: 64 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 5 get_lock_data: info: sql_lock->table_count 5 sql_lock->lock_count 5 lock_external: info: count 5 mi_get_status: info: name: ./mysql/time_zone_leap_second.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/time_zone_name.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/time_zone.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/time_zone_transition_type.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/time_zone_transition.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 column_bitmaps_signal: info: read_set: 0x7f798b7426a8 write_set: 0x7f798b7426a8 column_bitmaps_signal: info: read_set: 0x7f798b742da8 write_set: 0x7f798b742da8 column_bitmaps_signal: info: read_set: 0x7f798b743aa8 write_set: 0x7f798b743aa8 column_bitmaps_signal: info: read_set: 0x7f798b7441a8 write_set: 0x7f798b7441a8 column_bitmaps_signal: info: read_set: 0x7f798b7448a8 write_set: 0x7f798b7448a8 column_bitmaps_signal: info: read_set: 0x7f798b7426a8 write_set: 0x7f798b7426a8 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4ea4a70 close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927ebd70 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb8f0 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927ebcb0 into 0x7f79a8fc6600 (id: 80 -> 28) tdc_release_share: info: moving share to unused list close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927eb770 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927ebb30 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927ebbf0 into 0x7f79a8fc6600 (id: 77 -> 28) tdc_release_share: info: moving share to unused list close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927eb830 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb6b0 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb5f0 into 0x7f79a8fc6600 (id: 74 -> 28) tdc_release_share: info: moving share to unused list close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927eb3b0 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb2f0 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb470 into 0x7f79a8fc6600 (id: 71 -> 28) tdc_release_share: info: moving share to unused list close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927e9bb0 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eae70 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927eb530 into 0x7f79a8fc6600 (id: 68 -> 28) tdc_release_share: info: moving share to unused list MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16780 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16740 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16600 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c165c0 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1368 size: -256 plugin_thdvar_cleanup: info: unlocking 10 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1112 size: -64 my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ebfb0 into 0x7f79a8fa2900 (id: 89 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 12 add_to_locked_mutex: info: inserting 0x7f79927ea9f0 into 0x7f798b744dd8 (id: 2 -> 91) my_malloc: info: memory_used: 1304 size: 2960 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b744dd8 (id: 12 -> 91) add_to_locked_mutex: info: inserting 0x7f79927eb170 into 0x7f798b744dd8 (id: 10 -> 91) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 19 index: 2 n_length: 67 int_length: 135 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 4264 size: -2960 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eb9b0 into 0x7f79a9809780 (id: 92 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9e980 write_set: 0x7f79a4e9e9a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 13 add_to_locked_mutex: info: inserting 0x7f79927eba70 into 0x7f798b7454d8 (id: 2 -> 94) my_malloc: info: memory_used: 1304 size: 2112 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7454d8 (id: 12 -> 94) add_to_locked_mutex: info: inserting 0x7f79927ebef0 into 0x7f798b7454d8 (id: 10 -> 94) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 5 index: 1 n_length: 60 int_length: 34 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 3416 size: -2112 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ebe30 into 0x7f79a9809780 (id: 95 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4e9f780 write_set: 0x7f79a4e9f7a0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 14 add_to_locked_mutex: info: inserting 0x7f79927ec370 into 0x7f798b745bd8 (id: 2 -> 97) my_malloc: info: memory_used: 1304 size: 2880 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b745bd8 (id: 12 -> 97) add_to_locked_mutex: info: inserting 0x7f79927ec1f0 into 0x7f798b745bd8 (id: 10 -> 97) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 7 index: 2 n_length: 69 int_length: 51 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 4184 size: -2880 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927ec130 into 0x7f79a9809780 (id: 98 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea0580 write_set: 0x7f79a4ea05a0 my_malloc: info: memory_used: 1304 size: 48 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 3 get_lock_data: info: sql_lock->table_count 3 sql_lock->lock_count 3 lock_external: info: count 3 mi_get_status: info: name: ./mysql/tables_priv.MYI key_file: 4096 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/columns_priv.MYI key_file: 4096 data_file: 0 rows: 0 concurrent_insert: 0 mi_get_status: info: name: ./mysql/procs_priv.MYI key_file: 4096 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 column_bitmaps_signal: info: read_set: 0x7f798b744fa8 write_set: 0x7f798b744fa8 column_bitmaps_signal: info: read_set: 0x7f798b7456a8 write_set: 0x7f798b7456a8 column_bitmaps_signal: info: read_set: 0x7f798b745da8 write_set: 0x7f798b745da8 mi_restore_status: info: key_file: 4096 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 4096 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 4096 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4ea0470 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16600 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c165c0 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1352 size: -256 plugin_thdvar_cleanup: info: unlocking 7 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1096 size: -48 my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ec2b0 into 0x7f79a8fa2900 (id: 104 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 15 add_to_locked_mutex: info: inserting 0x7f79927ebfb0 into 0x7f798b7462d8 (id: 2 -> 105) my_malloc: info: memory_used: 1304 size: 1584 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7462d8 (id: 12 -> 105) add_to_locked_mutex: info: inserting 0x7f79927ec670 into 0x7f798b7462d8 (id: 10 -> 105) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 1 n_length: 19 int_length: 21 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2888 size: -1584 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927edb70 into 0x7f79a9809780 (id: 106 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea1380 write_set: 0x7f79a4ea13a0 my_malloc: info: memory_used: 1304 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/func.MYI key_file: 1024 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 16384 column_bitmaps_signal: info: read_set: 0x7f798b7464a8 write_set: 0x7f798b7464a8 mi_restore_status: info: key_file: 1024 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4ea1270 close_thread_table: info: Adding mdl lock 1 to 3 add_to_locked_mutex: info: inserting 0x7f79927ebfb0 into 0x7f79a8fc6600 (id: 2 -> 28) add_to_locked_mutex: info: inserting 0x7f79927ec670 into 0x7f79a8fc6600 (id: 10 -> 28) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fc6600 (id: 12 -> 28) add_to_locked_mutex: info: inserting 0x7f79927edb70 into 0x7f79a8fc6600 (id: 105 -> 28) tdc_release_share: info: moving share to unused list MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1336 size: -256 plugin_thdvar_cleanup: info: unlocking 2 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1080 size: -32 my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ec2b0 into 0x7f79a8fa2900 (id: 110 -> 18) my_malloc: info: memory_used: 1048 size: 256 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1304 size: -256 ~THD(): info: freeing security context my_free: info: memory_used: 1048 size: -1048 my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ec2b0 into 0x7f79a8fa2900 (id: 113 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4e99580 write_set: 0x7f79a4e995a0 my_malloc: info: memory_used: 1304 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/db.MYI key_file: 9216 data_file: 1264 rows: 1 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 table_check_intact: info: table: db expected_count: 22 mi_restore_status: info: key_file: 9216 data_file: 1264 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4e99470 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4e98780 write_set: 0x7f79a4e987a0 my_malloc: info: memory_used: 1336 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/user.MYI key_file: 4096 data_file: 524 rows: 4 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 mi_restore_status: info: key_file: 4096 data_file: 524 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4e98670 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 16 add_to_locked_mutex: info: inserting 0x7f79927edc30 into 0x7f798b7469d8 (id: 2 -> 114) my_malloc: info: memory_used: 1368 size: 3696 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7469d8 (id: 12 -> 114) add_to_locked_mutex: info: inserting 0x7f79927edcf0 into 0x7f798b7469d8 (id: 10 -> 114) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 4 i_parts: 61 index: 1 n_length: 231 int_length: 763 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 5064 size: -3696 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f79927eddb0 into 0x7f79a9809780 (id: 115 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4ea1380 write_set: 0x7f79a4ea13a0 my_malloc: info: memory_used: 1368 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/event.MYI key_file: 2048 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 table_check_intact: info: table: event expected_count: 22 mi_restore_status: info: key_file: 2048 data_file: 0 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4ea1270 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 add_to_locked_mutex: info: inserting 0x7f79a4c62bf0 into 0x7f79a4cf2200 (id: 10 -> 118) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a4cf2200 (id: 12 -> 118) add_to_locked_mutex: info: inserting 0x7f79927ede70 into 0x7f79a4cf2200 (id: 4 -> 118) MDL_context::acquire_lock: info: Got lock without waiting MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4ea1380 write_set: 0x7f79a4ea13a0 my_malloc: info: memory_used: 1400 size: 32 lock_tables_check: info: Adding mdl lock 4 to 4 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./mysql/event.MYI key_file: 2048 data_file: 0 rows: 0 concurrent_insert: 0 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 column_bitmaps_signal: info: read_set: 0x7f798b746ba8 write_set: 0x7f798b746ba8 table_check_intact: info: table: event expected_count: 22 init_read_record: info: using rr_sequential _mi_writeinfo: info: operation: 0 tot_locks: 1 141101 20:24:13 [Note] Event Scheduler: Loaded 0 events add_to_locked_mutex: info: inserting 0x7f79927edff0 into 0x7f79a9809780 (id: 117 -> 23) add_to_locked_mutex: info: inserting 0x7f79927edff0 into 0x7f79a4ea2550 (id: 117 -> 115) mi_update_status: info: updating status: key_file: 2048 data_file: 0 rows: 0 mi_update_status: info: invalidator... './mysql/event' (status update) add_to_locked_mutex: info: inserting 0x7f79927ee0b0 into 0x7f79a9809780 (id: 27 -> 23) add_to_locked_mutex: info: inserting 0x7f79927ee0b0 into 0x7f79a4ea2550 (id: 27 -> 115) mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4ea1270 close_thread_table: info: Adding mdl lock 1 to 4 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16700 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c165c0 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 1432 size: -256 plugin_thdvar_cleanup: info: unlocking 2 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1176 size: -32 my_free: info: memory_used: 1144 size: -32 my_free: info: memory_used: 1112 size: -32 my_free: info: memory_used: 1080 size: -32 my_free: info: memory_used: 1048 size: -1048 141101 20:24:13 [Note] WSREP: Read nil XID from storage engines, skipping position init 141101 20:24:13 [Note] WSREP: wsrep_load(): loading provider library 'none' my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee6b0 into 0x7f79a8fa2900 (id: 123 -> 18) my_malloc: info: memory_used: 1048 size: 256 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 17 add_to_locked_mutex: info: inserting 0x7f79927ee770 into 0x7f798b748cd8 (id: 2 -> 125) my_malloc: info: memory_used: 1304 size: 1024 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b748cd8 (id: 12 -> 125) add_to_locked_mutex: info: inserting 0x7f79927ee830 into 0x7f798b748cd8 (id: 10 -> 125) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 36 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 2328 size: -1024 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_to_locked_mutex: info: inserting 0x7f79927ee8f0 into 0x7f79a8fd3b20 (id: 11 -> 126) add_identifier: info: conv 'mysql' -> 'mysql' add_identifier: info: conv 'gtid_slave_pos' -> 'gtid_slave_pos' column_bitmaps_signal: info: read_set: 0x7f79a4ea9180 write_set: 0x7f79a4ea91a0 my_malloc: info: memory_used: 1304 size: 32 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 THD::decide_logging_format: info: Query: (null) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 table_check_intact: info: table: gtid_slave_pos expected_count: 4 ha_commit_trans: info: thd: 0x7f798b9a1070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x7f798b9a3240 is_real_trans: 1 ha_commit_trans: info: is_real_trans: 1 rw_trans: 0 rw_ha_count: 0 ha_commit_trans: info: thd: 0x7f798b9a1070 option_bits: 2147748608 all: 1 ha_commit_trans: info: all: 1 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 close_thread_tables: info: thd->open_tables: 0x7f79a4ea9070 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f79a4c16a00 add_to_locked_mutex: info: inserting 0x7f79927eecb0 into 0x7f79a8fa2900 (id: 128 -> 18) add_to_locked_mutex: info: inserting 0x7f79927eecb0 into 0x7f79a8fa2900 (id: 30 -> 18) trans_rollback: info: clearing SERVER_STATUS_IN_TRANS add_to_locked_mutex: info: inserting 0x7f79927eea70 into 0x7f79a8fa2900 (id: 31 -> 18) my_free: info: memory_used: 1336 size: -256 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f79927eee30 into 0x7f79a8fa2900 (id: 10 -> 18) plugin_thdvar_cleanup: info: unlocking 2 plugins ~THD(): info: freeing security context my_free: info: memory_used: 1080 size: -32 my_free: info: memory_used: 1048 size: -1048 add_to_locked_mutex: info: inserting 0x7f79927edf30 into 0x7f79a8fa1f40 (id: 2 -> 3) init_io_cache: info: init_io_cache: cachesize = 8192 add_to_locked_mutex: info: inserting 0x7f79927ec2b0 into 0x7f79a8fa1f40 (id: 129 -> 3) my_realpath: info: executing realpath 141101 20:24:13 [Note] /usr/libexec/mysqld: ready for connections. Version: '10.1.1-MariaDB-wsrep-debug' socket: '/var/run/mysql/mysql.sock' port: 0 MariaDB Server, wsrep_25.10.r4123 my_service_thread_sleep: info: sleeping 30000000000 nano seconds my_service_thread_sleep: info: sleeping 30000000000 nano seconds handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee170 into 0x7f79a8fa2900 (id: 131 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 2 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 2 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 541042317 server_mpvio_read_packet: info: client_character_set: 33 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=root, auth_string=*E98032BFA878C65D5CC067D2E45437DFC1AD574A, authenticated as=rootplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=root host=localhost ip=(null) authenticated_as=root acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 541042317 packet_length: 16777216 Host: 'localhost' Login user: 'root' Priv_user: 'root' Using password: yes Access: 536870911 db: 'skynet' mysql_change_db: info: Use database: skynet init_io_cache: info: init_io_cache: cachesize = 8192 net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f798b7f8070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f798bc88140 my_free: info: memory_used: 30560 size: -1048 my_malloc: info: memory_used: 29512 size: 5680 my_malloc: info: memory_used: 35192 size: 984 my_malloc: info: memory_used: 36176 size: 984 my_malloc: info: memory_used: 37160 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_malloc: info: memory_used: 38280 size: 10440 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 48720 size: 8 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 48728 size: 864 my_free: info: memory_used: 49592 size: -8 my_malloc: info: memory_used: 49584 size: 736 get_lock_data: info: count 0 get_lock_data: info: sql_lock->table_count 0 sql_lock->lock_count 0 THD::decide_logging_format: info: Query: show databases THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 my_malloc: info: memory_used: 50320 size: 16304 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798be33088 Info about JOIN SCHEMATA type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::save_explain_data_intern: info: Select 0x7f798b7fc480, type (null), message NULL my_malloc: info: memory_used: 66624 size: 104 my_malloc: info: memory_used: 66728 size: 8192 my_malloc: info: memory_used: 74920 size: 32792 find_files: info: found: 5 files my_free: info: memory_used: 107712 size: -8192 my_free: info: memory_used: 99520 size: -32792 my_free: info: memory_used: 66728 size: -104 my_malloc: info: memory_used: 66624 size: 128464 init_io_cache: info: init_io_cache: cachesize = 8192 init_io_cache: info: init_io_cache: cachesize = 8192 JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 5 records output handle_select: info: res: 0 report_error: 0 my_free: info: memory_used: 195088 size: -128464 my_free: info: memory_used: 66624 size: -864 my_free: info: memory_used: 65760 size: -736 my_free: info: memory_used: 65024 size: -10440 my_free: info: memory_used: 54584 size: -1120 my_free: info: memory_used: 53464 size: -5680 my_free: info: memory_used: 47784 size: -984 my_free: info: memory_used: 46800 size: -984 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 45816 size: -40 my_free: info: memory_used: 45776 size: -72 my_free: info: memory_used: 45704 size: -32 my_free: info: memory_used: 45672 size: -264 my_free: info: memory_used: 45408 size: -32 my_free: info: memory_used: 45376 size: -48 my_free: info: memory_used: 45328 size: -40 my_free: info: memory_used: 45288 size: -16304 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f798bc884b0 my_malloc: info: memory_used: 28984 size: 5544 my_malloc: info: memory_used: 34528 size: 984 my_malloc: info: memory_used: 35512 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_malloc: info: memory_used: 36632 size: 6480 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 43112 size: 8 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 43120 size: 864 my_free: info: memory_used: 43984 size: -8 my_malloc: info: memory_used: 43976 size: 736 get_lock_data: info: count 0 get_lock_data: info: sql_lock->table_count 0 sql_lock->lock_count 0 THD::decide_logging_format: info: Query: show tables THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 my_malloc: info: memory_used: 44712 size: 8152 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bc16298 Info about JOIN TABLE_NAMES type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used get_all_tables: info: db_name='skynet', table_name='(null)' JOIN::save_explain_data_intern: info: Select 0x7f798b7fc480, type (null), message NULL my_malloc: info: memory_used: 52864 size: 104 my_malloc: info: memory_used: 52968 size: 8192 my_malloc: info: memory_used: 61160 size: 32792 find_files: info: found: 10 files my_free: info: memory_used: 93952 size: -8192 my_free: info: memory_used: 85760 size: -32792 my_free: info: memory_used: 52968 size: -104 my_malloc: info: memory_used: 52864 size: 129120 JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 10 records output handle_select: info: res: 0 report_error: 0 my_free: info: memory_used: 181984 size: -129120 my_free: info: memory_used: 52864 size: -864 my_free: info: memory_used: 52000 size: -736 my_free: info: memory_used: 51264 size: -6480 my_free: info: memory_used: 44784 size: -1120 my_free: info: memory_used: 43664 size: -5544 my_free: info: memory_used: 38120 size: -984 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 18 add_to_locked_mutex: info: inserting 0x7f798bc6ba70 into 0x7f798b749ad8 (id: 2 -> 134) my_malloc: info: memory_used: 28984 size: 3528 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b749ad8 (id: 12 -> 134) add_to_locked_mutex: info: inserting 0x7f798bc6bb30 into 0x7f798b749ad8 (id: 10 -> 134) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 3 n_length: 31 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 32512 size: -3528 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'airports' -> 'airports' column_bitmaps_signal: info: read_set: 0x7f79a4ea9f80 write_set: 0x7f79a4ea9fa0 column_bitmaps_signal: info: read_set: 0x7f798b749ca8 write_set: 0x7f798b749ca8 close_thread_tables: info: thd->open_tables: 0x7f79a4ea9e70 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 19 add_to_locked_mutex: info: inserting 0x7f798bc6bfb0 into 0x7f798b74b6d8 (id: 2 -> 135) my_malloc: info: memory_used: 28984 size: 2592 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b74b6d8 (id: 12 -> 135) add_to_locked_mutex: info: inserting 0x7f798bc6bbf0 into 0x7f798b74b6d8 (id: 10 -> 135) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 4 n_length: 51 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 31576 size: -2592 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath add_to_locked_mutex: info: inserting 0x7f798bc6bef0 into 0x7f79a9809780 (id: 136 -> 23) column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 column_bitmaps_signal: info: read_set: 0x7f798b74b8a8 write_set: 0x7f798b74b8a8 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 20 add_to_locked_mutex: info: inserting 0x7f798bc6bcb0 into 0x7f798b74bdd8 (id: 2 -> 138) my_malloc: info: memory_used: 28984 size: 3640 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b74bdd8 (id: 12 -> 138) add_to_locked_mutex: info: inserting 0x7f798bc83130 into 0x7f798b74bdd8 (id: 10 -> 138) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 9 index: 4 n_length: 146 int_length: 32 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 32624 size: -3640 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'flight_bookmarks' -> 'flight_bookmarks' column_bitmaps_signal: info: read_set: 0x7f79a4eae580 write_set: 0x7f79a4eae5a0 column_bitmaps_signal: info: read_set: 0x7f798b74bfa8 write_set: 0x7f798b74bfa8 close_thread_tables: info: thd->open_tables: 0x7f79a4eae470 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 21 add_to_locked_mutex: info: inserting 0x7f798bc834f0 into 0x7f798b74d2d8 (id: 2 -> 140) my_malloc: info: memory_used: 28984 size: 1000 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b74d2d8 (id: 12 -> 140) add_to_locked_mutex: info: inserting 0x7f798bc831f0 into 0x7f798b74d2d8 (id: 10 -> 140) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 1 n_length: 32 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 29984 size: -1000 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'flight_cache_status' -> 'flight_cache_status' column_bitmaps_signal: info: read_set: 0x7f79a4eaf380 write_set: 0x7f79a4eaf3a0 column_bitmaps_signal: info: read_set: 0x7f798b74d4a8 write_set: 0x7f798b74d4a8 close_thread_tables: info: thd->open_tables: 0x7f79a4eaf270 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 22 add_to_locked_mutex: info: inserting 0x7f798bc83430 into 0x7f798b74e0d8 (id: 2 -> 141) my_malloc: info: memory_used: 28984 size: 1240 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b74e0d8 (id: 12 -> 141) add_to_locked_mutex: info: inserting 0x7f798bc83370 into 0x7f798b74e0d8 (id: 10 -> 141) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 3 index: 1 n_length: 89 int_length: 6 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 report_unknown_option: info: parsed => exiting my_free: info: memory_used: 30224 size: -1240 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 open: info: share->use_count 1 close_thread_tables: info: thd->open_tables: 0x7f79a4eb0070 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 23 add_to_locked_mutex: info: inserting 0x7f798bc83a30 into 0x7f798b74f5d8 (id: 2 -> 142) my_malloc: info: memory_used: 28984 size: 4200 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b74f5d8 (id: 12 -> 142) add_to_locked_mutex: info: inserting 0x7f798bc83970 into 0x7f798b74f5d8 (id: 10 -> 142) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 9 index: 5 n_length: 138 int_length: 32 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 report_unknown_option: info: parsed => exiting report_unknown_option: info: parsed => exiting report_unknown_option: info: parsed => exiting my_free: info: memory_used: 33184 size: -4200 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 open: info: share->use_count 1 close_thread_tables: info: thd->open_tables: 0x7f79a4eb0e70 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 24 add_to_locked_mutex: info: inserting 0x7f798bc846f0 into 0x7f798b7503d8 (id: 2 -> 143) my_malloc: info: memory_used: 28984 size: 4472 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7503d8 (id: 12 -> 143) add_to_locked_mutex: info: inserting 0x7f798bc847b0 into 0x7f798b7503d8 (id: 10 -> 143) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 2 i_parts: 24 index: 5 n_length: 427 int_length: 88 com_length: 0 vcol_screen_length: 224 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 33456 size: -4472 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 column_bitmaps_signal: info: read_set: 0x7f79a4eb1d80 write_set: 0x7f79a4eb1da0 my_malloc: info: memory_used: 28984 size: 8152 column_bitmaps_signal: info: read_set: 0x7f798b7505a8 write_set: 0x7f798b7505a8 close_thread_tables: info: thd->open_tables: 0x7f79a4eb1c70 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 25 add_to_locked_mutex: info: inserting 0x7f798bc84870 into 0x7f798b7511d8 (id: 2 -> 144) my_malloc: info: memory_used: 28984 size: 3448 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b7511d8 (id: 12 -> 144) add_to_locked_mutex: info: inserting 0x7f798bc849f0 into 0x7f798b7511d8 (id: 10 -> 144) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 1 i_parts: 4 index: 2 n_length: 47 int_length: 26 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 32432 size: -3448 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'map_venues' -> 'map_venues' column_bitmaps_signal: info: read_set: 0x7f79a4eb2b80 write_set: 0x7f79a4eb2ba0 column_bitmaps_signal: info: read_set: 0x7f798b7513a8 write_set: 0x7f798b7513a8 close_thread_tables: info: thd->open_tables: 0x7f79a4eb2a70 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 26 add_to_locked_mutex: info: inserting 0x7f798bc84e70 into 0x7f798b751fd8 (id: 2 -> 145) my_malloc: info: memory_used: 28984 size: 2640 add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b751fd8 (id: 12 -> 145) add_to_locked_mutex: info: inserting 0x7f798bc84b70 into 0x7f798b751fd8 (id: 10 -> 145) TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 4 n_length: 34 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 31624 size: -2640 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 add_identifier: info: conv 'skynet' -> 'skynet' add_identifier: info: conv 'statics' -> 'statics' column_bitmaps_signal: info: read_set: 0x7f79a4eb3980 write_set: 0x7f79a4eb39a0 column_bitmaps_signal: info: read_set: 0x7f798b7521a8 write_set: 0x7f798b7521a8 close_thread_tables: info: thd->open_tables: 0x7f79a4eb3870 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 4 (Field List) dispatch_command: info: command: 4 open_temporary_table: info: skip_temporary is set or no temporary tables dispatch_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting assign_new_table_id: info: table_id= 27 add_to_locked_mutex: info: inserting 0x7f798bc84930 into 0x7f798b752dd8 (id: 2 -> 146) my_malloc: info: memory_used: 28984 size: 1672 TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 17 bytes add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798b752dd8 (id: 12 -> 146) add_to_locked_mutex: info: inserting 0x7f798bc84ab0 into 0x7f798b752dd8 (id: 10 -> 146) TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 2 n_length: 40 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: oq-debug: oqgraph_create_handler get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 report_unknown_option: info: parsed => exiting report_unknown_option: info: parsed => exiting report_unknown_option: info: parsed => exiting my_free: info: memory_used: 30656 size: -1672 get_new_handler: oq-debug: oqgraph_create_handler get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 ha_oqgraph::open: oq-debug: thd: 0x7f798b7f8070; open(name=./skynet/version_history,mode=2,test_if_locked=18) ha_oqgraph::open: oq-debug: share:(normalized_path=./skynet/db_history,path.length=19) my_malloc: info: memory_used: 28984 size: 2592 TABLE_SHARE::init_from_binary_frm_image: info: extra segment size is 16 bytes TABLE_SHARE::init_from_binary_frm_image: info: i_count: 0 i_parts: 0 index: 4 n_length: 51 int_length: 0 com_length: 0 vcol_screen_length: 0 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 my_free: info: memory_used: 31576 size: -2592 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath column_bitmaps_signal: info: read_set: 0x7f798bf47ba8 write_set: 0x7f798bf47bc8 column_bitmaps_signal: info: read_set: 0x7f798bf47ba8 write_set: 0x7f798bf47bc8 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 column_bitmaps_signal: info: read_set: 0x7f798b752fa8 write_set: 0x7f798b752fa8 close_thread_tables: info: thd->open_tables: 0x7f79a4eb4670 close_thread_table: info: Adding mdl lock 1 to 2 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 net_send_eof: info: EOF sent, so no more error sending allowed do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f798bc88138 open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 THD::decide_logging_format: info: Query: SELECT * FROM version_history THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 Field_iterator_table_ref::set_field_iterator: info: field_it for 'version_history' is Field_iterator_table setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 my_malloc: info: memory_used: 28984 size: 8152 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf6a088 Info about JOIN version_history type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::save_explain_data_intern: info: Select 0x7f798b7fc480, type (null), message NULL JOIN::exec: info: Sending data init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 131072 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,0,1,1.000000,-1,-1 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,1,2,1.000000,-1,-1 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,2,3,1.000000,-1,-1 _mi_writeinfo: info: operation: 0 tot_locks: 1 add_to_locked_mutex: info: inserting 0x7f798bc84f30 into 0x7f79a9809780 (id: 147 -> 23) add_to_locked_mutex: info: inserting 0x7f798bc84f30 into 0x7f79a4eacd50 (id: 147 -> 136) mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 3 records output handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eb4670 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f798bc88138 open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 THD::decide_logging_format: info: Query: SELECT * FROM version_history THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 Field_iterator_table_ref::set_field_iterator: info: field_it for 'version_history' is Field_iterator_table setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 my_malloc: info: memory_used: 28984 size: 8152 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf6a088 Info about JOIN version_history type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::save_explain_data_intern: info: Select 0x7f798b7fc480, type (null), message NULL JOIN::exec: info: Sending data init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 131072 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,0,1,1.000000,-1,-1 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,1,2,1.000000,-1,-1 handler::ha_rnd_next: oq-debug: fill_record() ::>> -,2,3,1.000000,-1,-1 _mi_writeinfo: info: operation: 0 tot_locks: 1 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 3 records output handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eb4670 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 37136 size: -8152 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee230 into 0x7f79a8fa2900 (id: 148 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 3 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 3 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f798bf90070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f607240 st_select_lex::add_item_to_list: info: Item: 0x7f796f608438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f607b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f696130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f696130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f607b30 at line 9574 tab 0x7f796f677b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL WHERE:(after remove) 0x7f796f608d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f69c130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f69c130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f608d30 at line 9574 tab 0x7f796f69f3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f607d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6c9f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6072b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6073d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f6c9e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f798b7f8070 <-- current_thd 0x7f798bf90070 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f679150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f677cf8 at line 9150 tab 0x7f796f676d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f677cf8 -> 0x7f796f69e088 at line 9574 tab 0x7f796f676d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f696150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f696150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6770b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f69e088 -> 0x0 at line 20721 tab 0x7f796f676d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f607370 st_select_lex::add_item_to_list: info: Item: 0x7f796f6074c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f607600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f69f8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6770c8 at line 9150 tab 0x7f796f676088 make_join_select: info: select_cond changes 0x7f796f6770c8 -> 0x7f796f6773c8 at line 9574 tab 0x7f796f676088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6763c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f6773c8 -> 0x7f796f677a18 at line 22557 tab 0x7f796f676088 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f796f677a18 -> 0x0 at line 20721 tab 0x7f796f676088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bc85bf0 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85bf0 into 0x7f798bf91820 (id: 149 -> 148) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798bf91820 (id: 12 -> 148) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f798bf91820 (id: 10 -> 148) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 150 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f798bf91820 (id: 150 -> 148) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee2f0 into 0x7f79a8fa2900 (id: 154 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 4 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 4 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f69c070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f661240 st_select_lex::add_item_to_list: info: Item: 0x7f796f662438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f661b30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f641130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f641130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f661b30 at line 9574 tab 0x7f796f667b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f6a0480, type (null), message NULL WHERE:(after remove) 0x7f796f662d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f643130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f643130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f662d30 at line 9574 tab 0x7f796f6933c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f661d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f64ef50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6612b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6613d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f64ee30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68c150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f798bf90070 <-- current_thd 0x7f796f69c070 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f68c150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f667cf8 at line 9150 tab 0x7f796f666d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f667cf8 -> 0x7f796f692088 at line 9574 tab 0x7f796f666d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f641150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f641150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6670b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f6a0480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f69c070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f692088 -> 0x0 at line 20721 tab 0x7f796f666d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f661370 st_select_lex::add_item_to_list: info: Item: 0x7f796f6614c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f661600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f6938c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68c150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f69c070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f68c150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6670c8 at line 9150 tab 0x7f796f666088 make_join_select: info: select_cond changes 0x7f796f6670c8 -> 0x7f796f6673c8 at line 9574 tab 0x7f796f666088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6663c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f6673c8 -> 0x7f796f667a18 at line 22557 tab 0x7f796f666088 JOIN::save_explain_data_intern: info: Select 0x7f796f6a0480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f69c070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f667a18 -> 0x0 at line 20721 tab 0x7f796f666088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f796f69d820 (id: 149 -> 154) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f69d820 (id: 12 -> 154) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f796f69d820 (id: 10 -> 154) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 155 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f796f69d820 (id: 155 -> 154) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee3b0 into 0x7f79a8fa2900 (id: 157 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 5 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 5 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f798bf90070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a4240 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a5438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f6a4b30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f640130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f640130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f6a4b30 at line 9574 tab 0x7f796f62bb38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL WHERE:(after remove) 0x7f796f6a5d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f61c130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f61c130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f6a5d30 at line 9574 tab 0x7f796f61f3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f6a4d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f688f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a42b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a43d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f688e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f62d150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f69c070 <-- current_thd 0x7f798bf90070 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f62d150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f62bcf8 at line 9150 tab 0x7f796f62ad70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f62bcf8 -> 0x7f796f61e088 at line 9574 tab 0x7f796f62ad70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f640150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f640150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f62b0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f61e088 -> 0x0 at line 20721 tab 0x7f796f62ad70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a4370 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a44c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f6a4600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f61f8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f62d150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f62d150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f62b0c8 at line 9150 tab 0x7f796f62a088 make_join_select: info: select_cond changes 0x7f796f62b0c8 -> 0x7f796f62b3c8 at line 9574 tab 0x7f796f62a088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f62a3c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f62b3c8 -> 0x7f796f62ba18 at line 22557 tab 0x7f796f62a088 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f62ba18 -> 0x0 at line 20721 tab 0x7f796f62a088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f798bf91820 (id: 149 -> 157) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798bf91820 (id: 12 -> 157) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f798bf91820 (id: 10 -> 157) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 158 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f798bf91820 (id: 158 -> 157) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee470 into 0x7f79a8fa2900 (id: 160 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 6 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 6 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f798bf90070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f683240 st_select_lex::add_item_to_list: info: Item: 0x7f796f684438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f683b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68d130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f68d130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f683b30 at line 9574 tab 0x7f796f689b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee530 into 0x7f79a8fa2900 (id: 161 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 7 create_thread_to_handle_connection: info: Thread created WHERE:(after remove) 0x7f796f684d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68f130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f68f130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f684d30 at line 9574 tab 0x7f796f6713c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f683d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f644f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6832b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6833d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f644e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f689cf8 at line 9150 tab 0x7f796f688d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f689cf8 -> 0x7f796f670088 at line 9574 tab 0x7f796f688d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68d150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f68d150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6890b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f670088 -> 0x0 at line 20721 tab 0x7f796f688d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 7 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f639070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d1240 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d2438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f6d1b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f716130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f716130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f6d1b30 at line 9574 tab 0x7f796f6d7b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f63d480, type (null), message NULL WHERE:(after remove) 0x7f796f6d2d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f721130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f721130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f6d2d30 at line 9574 tab 0x7f796f7353c0 net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f683390 st_select_lex::add_item_to_list: info: Item: 0x7f796f6834e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f683620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_realpath: info: executing realpath column_bitmaps_signal: info: read_set: 0x7f798be94b80 write_set: 0x7f798be94ba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f671cd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f798bf90070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6895b0 at line 9150 tab 0x7f796f688288 make_join_select: info: select_cond changes 0x7f796f6895b0 -> 0x7f796f6898c0 at line 9574 tab 0x7f796f688288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6885c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f6898c0 -> 0x7f796f689f10 at line 22557 tab 0x7f796f688288 JOIN::save_explain_data_intern: info: Select 0x7f798bf94480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f798bf90070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f689f10 -> 0x0 at line 20721 tab 0x7f796f688288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f798be94a70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f6d1d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7accb61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7accbf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f775f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f6759c0 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d12b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d13d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f775e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f6d9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f798bf90070 <-- current_thd 0x7f796f639070 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f6d9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6d7cf8 at line 9150 tab 0x7f796f6d6d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f6d7cf8 -> 0x7f796f734088 at line 9574 tab 0x7f796f6d6d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f716150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f716150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6d70b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f63d480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f639070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f734088 -> 0x0 at line 20721 tab 0x7f796f6d6d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f675a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f6759c0 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f798bf91820 (id: 149 -> 160) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f798bf91820 (id: 12 -> 160) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f798bf91820 (id: 10 -> 160) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 162 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f798bf91820 (id: 162 -> 160) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d1390 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d14e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f6d1620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f735cd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f6d9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f639070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f6d9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6d75b0 at line 9150 tab 0x7f796f6d6288 make_join_select: info: select_cond changes 0x7f796f6d75b0 -> 0x7f796f6d78c0 at line 9574 tab 0x7f796f6d6288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6d65c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f6d78c0 -> 0x7f796f6d7f10 at line 22557 tab 0x7f796f6d6288 JOIN::save_explain_data_intern: info: Select 0x7f796f63d480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f639070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f6d7f10 -> 0x0 at line 20721 tab 0x7f796f6d6288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f675a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f6759c0 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f6a6a70 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f6a6a70 into 0x7f796f63a820 (id: 149 -> 161) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f6a6b30 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f63a820 (id: 12 -> 161) add_to_locked_mutex: info: inserting 0x7f796f6a6b30 into 0x7f796f63a820 (id: 10 -> 161) add_to_locked_mutex: info: inserting 0x7f796f6a69b0 into 0x7f79a8fa2900 (id: 164 -> 18) add_to_locked_mutex: info: inserting 0x7f796f6a69b0 into 0x7f796f63a820 (id: 164 -> 161) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee5f0 into 0x7f79a8fa2900 (id: 166 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 8 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 8 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f734240 st_select_lex::add_item_to_list: info: Item: 0x7f796f735438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f734b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f6a6130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f6a6130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f734b30 at line 9574 tab 0x7f796f75db38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f735d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f754130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f754130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f735d30 at line 9574 tab 0x7f796f7603c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f734d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7accb61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7accbf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f76af50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7342b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7343d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f76ae30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f764150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f639070 <-- current_thd 0x7f796f695070 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f764150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f75dcf8 at line 9150 tab 0x7f796f75cd70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f75dcf8 -> 0x7f796f75f088 at line 9574 tab 0x7f796f75cd70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f6a6150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f6a6150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f75d0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f75f088 -> 0x0 at line 20721 tab 0x7f796f75cd70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f734370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7344c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f734600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f7608c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f764150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f764150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f75d0c8 at line 9150 tab 0x7f796f75c088 make_join_select: info: select_cond changes 0x7f796f75d0c8 -> 0x7f796f75d3c8 at line 9574 tab 0x7f796f75c088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f75c3c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f75d3c8 -> 0x7f796f75da18 at line 22557 tab 0x7f796f75c088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f796f75da18 -> 0x0 at line 20721 tab 0x7f796f75c088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f796f696820 (id: 149 -> 166) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 166) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f796f696820 (id: 10 -> 166) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 167 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f796f696820 (id: 167 -> 166) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85a70 into 0x7f79a8fa2900 (id: 169 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 9 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 9 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fb438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fab30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ed130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7ed130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fab30 at line 9574 tab 0x7f796f7e9b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fbd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ef130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7ef130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fbd30 at line 9574 tab 0x7f796f7633c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7fad38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7accb61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7accbf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f765f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f765e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7eb150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7eb150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7e9cf8 at line 9150 tab 0x7f796f7e8d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7e9cf8 -> 0x7f796f762088 at line 9574 tab 0x7f796f7e8d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ed150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7ed150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7e90b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f762088 -> 0x0 at line 20721 tab 0x7f796f7e8d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fa600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f7638c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7eb150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7eb150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7e90c8 at line 9150 tab 0x7f796f7e8088 make_join_select: info: select_cond changes 0x7f796f7e90c8 -> 0x7f796f7e93c8 at line 9574 tab 0x7f796f7e8088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7e83c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7e93c8 -> 0x7f796f7e9a18 at line 22557 tab 0x7f796f7e8088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f796f7e9a18 -> 0x0 at line 20721 tab 0x7f796f7e8088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 169) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 169) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 169) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 170 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 170 -> 169) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85b30 into 0x7f79a8fa2900 (id: 172 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 10 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 10 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f747240 st_select_lex::add_item_to_list: info: Item: 0x7f796f748438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f747b30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7a4130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7a4130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f747b30 at line 9574 tab 0x7f796f74bb38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f748d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7af130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85cb0 into 0x7f79a8fa2900 (id: 173 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 11 create_thread_to_handle_connection: info: Thread created _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7af130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f748d30 at line 9574 tab 0x7f796f7b23c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f747d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7acc101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7acc105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7dff50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7472b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7473d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f7dfe30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f74d150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f74d150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f74bcf8 at line 9150 tab 0x7f796f74ad70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f74bcf8 -> 0x7f796f7b1088 at line 9574 tab 0x7f796f74ad70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7a4150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7a4150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f74b0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f7b1088 -> 0x0 at line 20721 tab 0x7f796f74ad70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 11 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f7b4070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c6240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c7438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7c6b30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f653130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f653130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7c6b30 at line 9574 tab 0x7f796f7ccb38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7b8480, type (null), message NULL WHERE:(after remove) 0x7f796f7c7d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f65e130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f65e130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7c7d30 at line 9574 tab 0x7f796f6613c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7c6d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f68bf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f769a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f747370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7474c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f747600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f7b28c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f74d150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f74d150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f74b0c8 at line 9150 tab 0x7f796f74a088 make_join_select: info: select_cond changes 0x7f796f74b0c8 -> 0x7f796f74b3c8 at line 9574 tab 0x7f796f74a088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f74a3c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f74b3c8 -> 0x7f796f74ba18 at line 22557 tab 0x7f796f74a088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f74ba18 -> 0x0 at line 20721 tab 0x7f796f74a088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 172) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 172) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 172) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 174 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 174 -> 172) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c62b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c63d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f68be30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ce150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f695070 <-- current_thd 0x7f796f7b4070 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7ce150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7cccf8 at line 9150 tab 0x7f796f7cbd70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7cccf8 -> 0x7f796f660088 at line 9574 tab 0x7f796f7cbd70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f653150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f653150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7cc0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f7b8480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f7b4070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f660088 -> 0x0 at line 20721 tab 0x7f796f7cbd70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f769a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f769a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c6370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c64c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7c6600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f6618c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ce150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f7b4070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7ce150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7cc0c8 at line 9150 tab 0x7f796f7cb088 make_join_select: info: select_cond changes 0x7f796f7cc0c8 -> 0x7f796f7cc3c8 at line 9574 tab 0x7f796f7cb088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7cb3c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7cc3c8 -> 0x7f796f7cca18 at line 22557 tab 0x7f796f7cb088 JOIN::save_explain_data_intern: info: Select 0x7f796f7b8480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f7b4070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7cca18 -> 0x0 at line 20721 tab 0x7f796f7cb088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 176 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 12 create_thread_to_handle_connection: info: Thread created close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f769a40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f769a00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f76a370 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f76a370 into 0x7f796f7b5820 (id: 149 -> 173) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f76a430 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f7b5820 (id: 12 -> 173) add_to_locked_mutex: info: inserting 0x7f796f76a430 into 0x7f796f7b5820 (id: 10 -> 173) add_to_locked_mutex: info: inserting 0x7f796f76a2b0 into 0x7f79a8fa2900 (id: 177 -> 18) add_to_locked_mutex: info: inserting 0x7f796f76a2b0 into 0x7f796f7b5820 (id: 177 -> 173) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 12 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7df438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7deb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7e8130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7e8130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7deb30 at line 9574 tab 0x7f796f7e4b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7dfd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7ef130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7ef130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7dfd30 at line 9574 tab 0x7f796f7d33c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7ded38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7accb61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7accbf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7d5f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f7d5e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7e6150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f7b4070 <-- current_thd 0x7f796f695070 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7e6150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7e4cf8 at line 9150 tab 0x7f796f7e3d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7e4cf8 -> 0x7f796f7d2088 at line 9574 tab 0x7f796f7e3d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7e8150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7e8150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7e40b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f7d2088 -> 0x0 at line 20721 tab 0x7f796f7e3d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de390 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de4e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7de620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f7d3cd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7e6150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7e6150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7e45b0 at line 9150 tab 0x7f796f7e3288 make_join_select: info: select_cond changes 0x7f796f7e45b0 -> 0x7f796f7e48c0 at line 9574 tab 0x7f796f7e3288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7e35c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7e48c0 -> 0x7f796f7e4f10 at line 22557 tab 0x7f796f7e3288 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7e4f10 -> 0x0 at line 20721 tab 0x7f796f7e3288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 176) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 176) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 176) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 179 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 179 -> 176) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85e30 into 0x7f79a8fa2900 (id: 181 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 13 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 13 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb8130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb8130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f796f7eeb38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f6130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7ac80c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7f6130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f63a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7accb61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7acc5b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7accb65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7accbf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f65cf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f65ce30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f0150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f0150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7eecf8 at line 9150 tab 0x7f796f7edd70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7eecf8 -> 0x7f796f639088 at line 9574 tab 0x7f796f7edd70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb8150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb8150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7ee0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f639088 -> 0x0 at line 20721 tab 0x7f796f7edd70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85ef0 into 0x7f79a8fa2900 (id: 182 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 14 create_thread_to_handle_connection: info: Thread created net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc390 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f63acd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f0150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7f0150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7ee5b0 at line 9150 tab 0x7f796f7ed288 make_join_select: info: select_cond changes 0x7f796f7ee5b0 -> 0x7f796f7ee8c0 at line 9574 tab 0x7f796f7ed288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7ed5c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7ee8c0 -> 0x7f796f7eef10 at line 22557 tab 0x7f796f7ed288 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7eef10 -> 0x0 at line 20721 tab 0x7f796f7ed288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 14 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f655070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f671240 st_select_lex::add_item_to_list: info: Item: 0x7f796f672438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f671b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68b130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f68b130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f671b30 at line 9574 tab 0x7f796f677b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f659480, type (null), message NULL WHERE:(after remove) 0x7f796f672d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f780130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f780130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f672d30 at line 9574 tab 0x7f796f7833c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f671d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7adf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f7ffa00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 181) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 181) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 181) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 183 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 183 -> 181) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f6712b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f6713d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f7ade30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f695070 <-- current_thd 0x7f796f655070 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f679150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f677cf8 at line 9150 tab 0x7f796f676d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f677cf8 -> 0x7f796f782088 at line 9574 tab 0x7f796f676d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f68b150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6770b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f659480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f655070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f782088 -> 0x0 at line 20721 tab 0x7f796f676d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f7ffa40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f7ffa00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f671370 st_select_lex::add_item_to_list: info: Item: 0x7f796f6714c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f671600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f7838c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f655070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f679150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f6770c8 at line 9150 tab 0x7f796f676088 make_join_select: info: select_cond changes 0x7f796f6770c8 -> 0x7f796f6773c8 at line 9574 tab 0x7f796f676088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f6763c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f6773c8 -> 0x7f796f677a18 at line 22557 tab 0x7f796f676088 JOIN::save_explain_data_intern: info: Select 0x7f796f659480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f655070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f796f677a18 -> 0x0 at line 20721 tab 0x7f796f676088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f7ffa40 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f796f7ffa00 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f66c130 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f66c130 into 0x7f796f656820 (id: 149 -> 182) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f66c1f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f656820 (id: 12 -> 182) add_to_locked_mutex: info: inserting 0x7f796f66c1f0 into 0x7f796f656820 (id: 10 -> 182) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f79a8fa2900 (id: 185 -> 18) add_to_locked_mutex: info: inserting 0x7f798bc85d70 into 0x7f796f656820 (id: 185 -> 182) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85fb0 into 0x7f79a8fa2900 (id: 187 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 15 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 15 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f798bf93b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f63a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f664f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f664e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: g->table->in_use: 0x7f796f655070 <-- current_thd 0x7f796f695070 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf93cf8 at line 9150 tab 0x7f798bf92d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f798bf93cf8 -> 0x7f796f639088 at line 9574 tab 0x7f798bf92d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf930b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f639088 -> 0x0 at line 20721 tab 0x7f798bf92d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f63a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf930c8 at line 9150 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x7f798bf930c8 -> 0x7f798bf933c8 at line 9574 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf923c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f798bf933c8 -> 0x7f798bf93a18 at line 22557 tab 0x7f798bf92088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f798bf93a18 -> 0x0 at line 20721 tab 0x7f798bf92088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 187) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 187) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 187) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 188 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 188 -> 187) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee230 into 0x7f79a8fa2900 (id: 190 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 16 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 16 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f798bf93b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f63a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f664f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f664e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf93cf8 at line 9150 tab 0x7f798bf92d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f798bf93cf8 -> 0x7f796f639088 at line 9574 tab 0x7f798bf92d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf930b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f639088 -> 0x0 at line 20721 tab 0x7f798bf92d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc390 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f63acd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf935b0 at line 9150 tab 0x7f798bf92288 make_join_select: info: select_cond changes 0x7f798bf935b0 -> 0x7f798bf938c0 at line 9574 tab 0x7f798bf92288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf925c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f798bf938c0 -> 0x7f798bf93f10 at line 22557 tab 0x7f798bf92288 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f798bf93f10 -> 0x0 at line 20721 tab 0x7f798bf92288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 190) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 190) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 190) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 191 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 191 -> 190) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee2f0 into 0x7f79a8fa2900 (id: 193 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 17 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 17 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f798bf93b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f63a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f664f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f664e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf93cf8 at line 9150 tab 0x7f798bf92d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f798bf93cf8 -> 0x7f796f639088 at line 9574 tab 0x7f798bf92d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf930b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f639088 -> 0x0 at line 20721 tab 0x7f798bf92d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f63a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf930c8 at line 9150 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x7f798bf930c8 -> 0x7f798bf933c8 at line 9574 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf923c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f798bf933c8 -> 0x7f798bf93a18 at line 22557 tab 0x7f798bf92088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f798bf93a18 -> 0x0 at line 20721 tab 0x7f798bf92088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 193) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 193) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 193) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 194 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 194 -> 193) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee3b0 into 0x7f79a8fa2900 (id: 196 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 18 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 18 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb1130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f798bf93b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfbc130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f63a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f664f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f664e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf93cf8 at line 9150 tab 0x7f798bf92d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f798bf93cf8 -> 0x7f796f639088 at line 9574 tab 0x7f798bf92d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb1150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf930b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f639088 -> 0x0 at line 20721 tab 0x7f798bf92d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f63a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f798bf95150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bf930c8 at line 9150 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x7f798bf930c8 -> 0x7f798bf933c8 at line 9574 tab 0x7f798bf92088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf923c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f798bf933c8 -> 0x7f798bf93a18 at line 22557 tab 0x7f798bf92088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f798bf93a18 -> 0x0 at line 20721 tab 0x7f798bf92088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 196) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 196) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 196) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 197 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 197 -> 196) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee470 into 0x7f79a8fa2900 (id: 199 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 19 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 19 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fd438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7fcb30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb8130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f798bfb8130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fcb30 at line 9574 tab 0x7f798bfb4b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7fdd30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f657130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f657130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7fdd30 at line 9574 tab 0x7f796f65a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7fcd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f684f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f684e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb6150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb6150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bfb4cf8 at line 9150 tab 0x7f798bfb3d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f798bfb4cf8 -> 0x7f796f659088 at line 9574 tab 0x7f798bfb3d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb8150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f798bfb8150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bfb40b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f659088 -> 0x0 at line 20721 tab 0x7f798bfb3d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7fc600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f65a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f798bfb6150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f798bfb6150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f798bfb40c8 at line 9150 tab 0x7f798bfb3088 make_join_select: info: select_cond changes 0x7f798bfb40c8 -> 0x7f798bfb43c8 at line 9574 tab 0x7f798bfb3088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bfb33c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f798bfb43c8 -> 0x7f798bfb4a18 at line 22557 tab 0x7f798bfb3088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f798bfb4a18 -> 0x0 at line 20721 tab 0x7f798bfb3088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 199) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 199) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 199) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 200 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 200 -> 199) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee530 into 0x7f79a8fa2900 (id: 202 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 20 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 20 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f0438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7efb30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7efb30 at line 9574 tab 0x7f796f7f5b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7f0d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f657130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f657130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f0d30 at line 9574 tab 0x7f796f65a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7efd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f67cf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f67ce30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f5cf8 at line 9150 tab 0x7f796f7f4d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7f5cf8 -> 0x7f796f659088 at line 9574 tab 0x7f796f7f4d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f50b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f659088 -> 0x0 at line 20721 tab 0x7f796f7f4d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f65a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f50c8 at line 9150 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x7f796f7f50c8 -> 0x7f796f7f53c8 at line 9574 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f43c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7f53c8 -> 0x7f796f7f5a18 at line 22557 tab 0x7f796f7f4088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7f5a18 -> 0x0 at line 20721 tab 0x7f796f7f4088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 202) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 202) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 202) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 203 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 203 -> 202) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 my_service_thread_sleep: info: sleeping 30000000000 nano seconds handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f79927ee5f0 into 0x7f79a8fa2900 (id: 205 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 21 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 21 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f0438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7efb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7efb30 at line 9574 tab 0x7f796f7f5b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7f0d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f657130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f657130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f0d30 at line 9574 tab 0x7f796f65a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7efd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f67cf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f67ce30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f5cf8 at line 9150 tab 0x7f796f7f4d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7f5cf8 -> 0x7f796f659088 at line 9574 tab 0x7f796f7f4d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f50b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f659088 -> 0x0 at line 20721 tab 0x7f796f7f4d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef390 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef4e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f65acd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f55b0 at line 9150 tab 0x7f796f7f4288 make_join_select: info: select_cond changes 0x7f796f7f55b0 -> 0x7f796f7f58c0 at line 9574 tab 0x7f796f7f4288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f45c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7f58c0 -> 0x7f796f7f5f10 at line 22557 tab 0x7f796f7f4288 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7f5f10 -> 0x0 at line 20721 tab 0x7f796f7f4288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 205) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 205) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 205) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 206 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 206 -> 205) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f796f73c130 into 0x7f79a8fa2900 (id: 208 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 22 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 22 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f0438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7efb30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7efb30 at line 9574 tab 0x7f796f7f5b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7f0d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f657130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f657130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f0d30 at line 9574 tab 0x7f796f65a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7efd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f67cf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f67ce30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f5cf8 at line 9150 tab 0x7f796f7f4d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7f5cf8 -> 0x7f796f659088 at line 9574 tab 0x7f796f7f4d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f50b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f659088 -> 0x0 at line 20721 tab 0x7f796f7f4d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f65a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f50c8 at line 9150 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x7f796f7f50c8 -> 0x7f796f7f53c8 at line 9574 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f43c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7f53c8 -> 0x7f796f7f5a18 at line 22557 tab 0x7f796f7f4088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 69160 size: 136 my_free: info: memory_used: 69296 size: -1144 my_free: info: memory_used: 68152 size: -128 my_free: info: memory_used: 68024 size: -4056 my_free: info: memory_used: 63968 size: -8 create_sort_index: info: select_cond changes 0x7f796f7f5a18 -> 0x0 at line 20721 tab 0x7f796f7f4088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63960 size: -416 my_free: info: memory_used: 63544 size: -136 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 2 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 149 -> 208) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 208) add_to_locked_mutex: info: inserting 0x7f796f73c4f0 into 0x7f796f696820 (id: 10 -> 208) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 209 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 209 -> 208) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f796f73c1f0 into 0x7f79a8fa2900 (id: 211 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 23 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 23 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f0438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.2' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.2' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7efb30 (`skynet`.`db_history`.`version` = '0.0.2') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f7f9130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7efb30 at line 9574 tab 0x7f796f7f5b38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7f0d30 (`skynet`.`db_history`.`prevVersion` = '0.0.2') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f657130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 3 offset: 0.5 max_keynr: 3 nod: 0 flag: -1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f657130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.2 <= X <= 0.0.2 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f0d30 at line 9574 tab 0x7f796f65a3c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.2 JOIN::save_explain_data_intern: info: Select 0x7f796f7efd38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f79a4eadad8 length: 1 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940e0 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15101 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15105 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f67cf50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef2b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef3d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '2' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f67ce30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f5cf8 at line 9150 tab 0x7f796f7f4d70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7f5cf8 -> 0x7f796f659088 at line 9574 tab 0x7f796f7f4d70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7f9150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/2 <= X <= breadth_first/2 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f50b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,2,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,2,-1,1.000000,2,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,2,-1,0.000000,1,2 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 2 my_malloc: info: memory_used: 60856 size: 120 my_free: info: memory_used: 60976 size: -1024 create_sort_index: info: select_cond changes 0x7f796f659088 -> 0x0 at line 20721 tab 0x7f796f7f4d70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 59952 size: -416 my_free: info: memory_used: 59536 size: -120 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef370 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef4c0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7ef600 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '2' AND `destid` = '3' AND `seq` > '0' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f65a8c8 ((`skynet`.`v`.`seq` > 0) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(2, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7f7150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 53 dijkstras/2/3 <= X <= dijkstras/2/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID my_malloc: info: memory_used: 51080 size: 8152 get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7f50c8 at line 9150 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x7f796f7f50c8 -> 0x7f796f7f53c8 at line 9574 tab 0x7f796f7f4088 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7f43c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7f53c8 -> 0x7f796f7f5a18 at line 22557 tab 0x7f796f7f4088 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,2,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,2,3,-1.000000,0,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,2,3,1.000000,1,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7f5a18 -> 0x0 at line 20721 tab 0x7f796f7f4088 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c370 into 0x7f796f696820 (id: 149 -> 211) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 211) add_to_locked_mutex: info: inserting 0x7f796f73c430 into 0x7f796f696820 (id: 10 -> 211) add_to_locked_mutex: info: inserting 0x7f796f73c2b0 into 0x7f79a8fa2900 (id: 212 -> 18) add_to_locked_mutex: info: inserting 0x7f796f73c2b0 into 0x7f796f696820 (id: 212 -> 211) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 handle_connections_sockets: info: Creating THD for new connection my_malloc: info: memory_used: 0 size: 1048 add_to_locked_mutex: info: inserting 0x7f798bc85a70 into 0x7f79a8fa2900 (id: 214 -> 18) my_malloc: info: memory_used: 1048 size: 256 my_malloc: info: memory_used: 1304 size: 16392 create_thread_to_handle_connection: info: creating thread 24 create_thread_to_handle_connection: info: Thread created my_malloc: info: memory_used: 17696 size: 40 login_connection: info: login_connection called by thread 24 login_connection: info: New connection received on socket login_connection: info: Host: localhost acl_authenticate: info: com_change_user_pkt_len=0 my_malloc: info: memory_used: 17736 size: 48 server_mpvio_read_packet: info: client capabilities: 959117 server_mpvio_read_packet: info: client_character_set: 8 my_malloc: info: memory_used: 17784 size: 32 my_malloc: info: memory_used: 17816 size: 264 my_malloc: info: memory_used: 18080 size: 32 my_malloc: info: memory_used: 18112 size: 72 my_malloc: info: memory_used: 18184 size: 40 find_mpvio_user: info: exit: user=dubai, auth_string=*7597A2B75EB40C52D3D17BCE343661868CDCB703, authenticated as=dubaiplugin=mysql_native_password native_password_authenticate: info: reply read : pkt_len=20 acl_find_proxy_user: info: user=dubai host=localhost ip=(null) authenticated_as=dubai acl_find_proxy_user: info: user is the same as authenticated_as acl_authenticate: info: Capabilities: 959117 packet_length: 3221225472 Host: 'localhost' Login user: 'dubai' Priv_user: 'dubai' Using password: yes Access: 0 db: 'skynet' mysql_change_db: info: Use database: skynet net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed ha_commit_trans: info: thd: 0x7f796f695070 option_bits: 2147748608 all: 0 ha_commit_trans: info: all: 0 thd->in_sub_stmt: 0 ha_info: 0x0 is_real_trans: 1 my_malloc: info: memory_used: 18224 size: 8216 my_malloc: info: memory_used: 26440 size: 4120 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 THD::decide_logging_format: info: Query: SET NAMES utf8 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed my_free: info: memory_used: 30560 size: -40 my_free: info: memory_used: 30520 size: -72 my_free: info: memory_used: 30448 size: -32 my_free: info: memory_used: 30416 size: -264 my_free: info: memory_used: 30152 size: -32 my_free: info: memory_used: 30120 size: -48 my_free: info: memory_used: 30072 size: -40 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f5240 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f6438 my_free: info: memory_used: 30032 size: -1048 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 MDL_context::acquire_lock: info: Adding mdl lock 3 to 3 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f798be92f80 write_set: 0x7f798be92fa0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: (SELECT `nodeID` FROM `db_history` WHERE `version` = '0.0.1' LIMIT 1) UNION (SELECT `prevNodeID` FROM `db_history` WHERE `prevVersion` = '0.0.1' LIMIT 1) THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 my_malloc: info: memory_used: 28984 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 Item_type_holder::join_types: info: become type: 8 len: 20 dec: 0 my_malloc: info: memory_used: 37136 size: 5120 my_malloc: info: memory_used: 42256 size: 984 my_malloc: info: memory_used: 43240 size: 1120 get_new_handler: info: handler created F_UNLCK 2 F_RDLCK 0 F_WRLCK 1 create_tmp_table: info: hidden_field_count: 0 handler::ha_open: info: old m_lock_type: 2 F_UNLCK 2 my_malloc: info: memory_used: 44360 size: 920 heap_create: info: Creating internal (no named) temporary table heap_create: info: Initializing new table my_malloc: info: memory_used: 45280 size: 1784 my_free: info: memory_used: 47064 size: -920 my_malloc: info: memory_used: 46144 size: 752 WHERE:(after remove) 0x7f796f7f5b30 (`skynet`.`db_history`.`version` = '0.0.1') my_malloc: info: memory_used: 46896 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 48496 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f653130 (tree scans) scans: version _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 0 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadad8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f79a4eadae0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f653130 (ROR scans) scans: version get_key_scans_params: info: Returning range plan for key version, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 52552 size: 128 my_malloc: info: memory_used: 52680 size: 8 my_malloc: info: memory_used: 52688 size: 4056 my_free: info: memory_used: 56744 size: -4056 quick range select, key version, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key version get_best_combination: info: type: 4 my_malloc: info: memory_used: 52688 size: 8152 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f5b30 at line 9574 tab 0x7f796f7fbb38 my_free: info: memory_used: 60840 size: -128 my_free: info: memory_used: 60712 size: -4056 my_free: info: memory_used: 56656 size: -8 Info about JOIN db_history type: ref q_keys: 2 refs: 1 key: 1 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL WHERE:(after remove) 0x7f796f7f6d30 (`skynet`.`db_history`.`prevVersion` = '0.0.1') my_malloc: info: memory_used: 56648 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 58248 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f65e130 (tree scans) scans: prevVersion _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 1 offset: 1 max_keynr: 3 nod: 0 flag: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b110c5 from: 0x7f798be940e0 length: 1 _mi_search_pos: info: keynr: 2 offset: 1 max_keynr: 3 nod: 0 flag: 1 mi_records_in_range: info: records: 1 check_quick_select: info: Default MRR implementation choosen print_sel_tree: info: SEL_TREE: 0x7f796f65e130 (ROR scans) scans: prevVersion get_key_scans_params: info: Returning range plan for key prevVersion, cost 2.21, records 1 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 62304 size: 128 my_malloc: info: memory_used: 62432 size: 8 my_malloc: info: memory_used: 62440 size: 4056 my_free: info: memory_used: 66496 size: -4056 quick range select, key prevVersion, length: 32 0.0.1 <= X <= 0.0.1 other_keys: 0x0: best_access_path: info: Considering ref access on key prevVersion get_best_combination: info: type: 4 make_join_select: info: select_cond changes 0x0 -> 0x7f796f7f6d30 at line 9574 tab 0x7f796f6613c0 my_free: info: memory_used: 62440 size: -128 my_free: info: memory_used: 62312 size: -4056 my_free: info: memory_used: 58256 size: -8 Info about JOIN db_history type: ref q_keys: 4 refs: 1 key: 2 len: 32 select used refs: 0.0.1 JOIN::save_explain_data_intern: info: Select 0x7f796f7f5d38, type (null), message NULL JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f79a4eadacc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b61 from: 0x7f79a4eadacc length: 5 my_malloc: info: memory_used: 58248 size: 126992 my_malloc: info: memory_used: 185240 size: 126984 do_select: info: 1 records output JOIN::exec: info: Sending data _mi_get_binary_pack_key: info: key: 0x7f79a7b155b1 from: 0x7f798be940cc length: 5 _mi_get_binary_pack_key: info: key: 0x7f79a7b155b5 from: 0x7f798be940d8 length: 1 _mi_get_binary_pack_key: info: key: 0x7f79a7b15b65 from: 0x7f798be940d8 length: 1 heap_write: info: Duplicate key: 0 _mi_get_binary_pack_key: info: key: 0x7f79a7b15bf5 from: 0x7f798be940e0 length: 1 do_select: info: 0 records output my_free: info: memory_used: 312224 size: -126984 my_malloc: info: memory_used: 185240 size: 8152 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f683f50 Info about JOIN type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::exec: info: Sending data init_read_record: info: using rr_sequential do_select: info: 1 records output my_free: info: memory_used: 193392 size: -126992 my_free: info: memory_used: 66400 size: -1784 my_free: info: memory_used: 64616 size: -752 my_free: info: memory_used: 63864 size: -1120 my_free: info: memory_used: 62744 size: -5120 my_free: info: memory_used: 57624 size: -984 my_free: info: memory_used: 56640 size: -1600 my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 close_thread_tables: info: thd->open_tables: 0x7f798be92e70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f52b8 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f53d8 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `db`.`version`, `db`.`nodeID` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'breadth_first' AND `origid` = '1' ORDER BY `weight` DESC LIMIT 1 THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x1 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 WHERE:(after remove) 0x7f796f683e30 (multiple equal('breadth_first', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 37136 size: 8152 my_malloc: info: memory_used: 45288 size: 1600 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 46888 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7fd150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f7fd150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 50944 size: 128 my_malloc: info: memory_used: 51072 size: 8 my_malloc: info: memory_used: 51080 size: 4056 my_free: info: memory_used: 55136 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7fbcf8 at line 9150 tab 0x7f796f7fad70 my_malloc: info: memory_used: 51080 size: 8152 make_join_select: info: select_cond changes 0x7f796f7fbcf8 -> 0x7f796f660088 at line 9574 tab 0x7f796f7fad70 SQL_SELECT::test_quick_select: info: records: 3 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 SQL_SELECT::test_quick_select: info: Time to scan table: 5.6 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f653150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=breadth_first. print_sel_tree: info: SEL_TREE: 0x7f796f653150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 44 breadth_first/1 <= X <= breadth_first/1 other_keys: 0x0: make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7fb0b0 Info about JOIN v type: ALL q_keys: 3 refs: 0 key: -1 len: 0 quick select used: quick range select, key latch, length: 44 db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt 1 my_malloc: info: memory_used: 59232 size: 416 Info about FILESORT Sortorder: -v.weight filesort: info: sort_length: 9 my_malloc: info: memory_used: 59648 size: 120 filesort: info: addon_length: 59 my_malloc: info: memory_used: 59768 size: 64 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 59832 size: 1024 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:breadth_first,1,-1) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> breadth_first,1,-1,2.000000,3,3 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,1.000000,2,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> breadth_first,1,-1,0.000000,1,1 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 3 my_malloc: info: memory_used: 60856 size: 184 my_free: info: memory_used: 61040 size: -1024 create_sort_index: info: select_cond changes 0x7f796f660088 -> 0x0 at line 20721 tab 0x7f796f7fad70 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 60016 size: -416 my_free: info: memory_used: 59600 size: -184 my_free: info: memory_used: 59416 size: -64 my_free: info: memory_used: 59352 size: -120 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 55040 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f5390 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f54e0 st_select_lex::add_item_to_list: info: Item: 0x7f796f7f5620 my_malloc: info: memory_used: 28984 size: 8152 open_temporary_table: info: skip_temporary is set or no temporary tables open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 mysql_execute_command: info: derived: 0 view: 0 check_access: info: db_access: 233257023 want_access: 1 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eabb80 write_set: 0x7f79a4eabba0 lock_tables_check: info: Adding mdl lock 3 to 3 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 2 get_lock_data: info: sql_lock->table_count 2 sql_lock->lock_count 2 lock_external: info: count 2 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 mi_copy_status: info: key_file: 5120 data_file: 150680 THD::decide_logging_format: info: Query: SELECT `version` AS `new_database_version`, `updateJSON` AS `update_step`, `prevVersion` AS `base_database_version` FROM `version_history` AS `v` INNER JOIN `db_history` AS `db` ON `db`.`nodeID` = `v`.`linkid` WHERE `latch` = 'dijkstras' AND `origid` = '1' AND `destid` = '3' AND `seq` > '0' AND `seq` <= '1' ORDER BY `seq` ASC THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 setup_conds: info: convert_const_to_int 0 my_malloc: info: memory_used: 37136 size: 8152 WHERE:(after remove) 0x7f796f661cd8 ((`skynet`.`v`.`seq` > 0) and (`skynet`.`v`.`seq` <= 1) and multiple equal('dijkstras', `skynet`.`v`.`latch`) and multiple equal(1, `skynet`.`v`.`origid`) and multiple equal(3, `skynet`.`v`.`destid`) and multiple equal(`skynet`.`db`.`nodeID`, `skynet`.`v`.`linkid`)) my_malloc: info: memory_used: 45288 size: 1600 my_malloc: info: memory_used: 46888 size: 8152 SQL_SELECT::test_quick_select: info: records: 3 SQL_SELECT::test_quick_select: info: Time to scan table: 1e9 my_malloc: info: memory_used: 55040 size: 4056 print_sel_tree: info: SEL_TREE: 0x7f796f7fd150 (tree scans) scans: latch,latch_2 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=0 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 check_quick_select: oq-debug: thd: 0x7f796f695070; records_in_range ::>> inx=1 check_quick_select: oq-debug: records_in_range ::>> key0=dijkstras. check_quick_select: oq-debug: records_in_range ::>> N=10 print_sel_tree: info: SEL_TREE: 0x7f796f7fd150 (ROR scans) scans: (empty) get_key_scans_params: info: Returning range plan for key latch, cost 3.01, records 10 SQL_SELECT::test_quick_select: info: No range reads possible, trying to construct index_merge my_malloc: info: memory_used: 59096 size: 128 my_malloc: info: memory_used: 59224 size: 8 my_malloc: info: memory_used: 59232 size: 4056 my_free: info: memory_used: 63288 size: -4056 quick range select, key latch, length: 53 dijkstras/1/3 <= X <= dijkstras/1/3 other_keys: 0x0: best_access_path: info: Considering ref access on key nodeID best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key latch best_access_path: info: Considering ref access on key latch_2 best_access_path: info: Considering ref access on key nodeID get_best_combination: info: type: 4 get_best_combination: info: type: 4 add_not_null_conds: info: select_cond changes 0x0 -> 0x7f796f7fb5b0 at line 9150 tab 0x7f796f7fa288 make_join_select: info: select_cond changes 0x7f796f7fb5b0 -> 0x7f796f7fb8c0 at line 9574 tab 0x7f796f7fa288 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f796f7fa5c8 my_free: info: memory_used: 59232 size: -128 my_free: info: memory_used: 59104 size: -4056 my_free: info: memory_used: 55048 size: -8 Info about JOIN v type: ref q_keys: 3 refs: 3 key: 0 len: 53 select used refs: dijkstras ??? ??? db type: ref q_keys: 8 refs: 1 key: 3 len: 8 select used refs: skynet.v.linkid my_malloc: info: memory_used: 55040 size: 8152 add_ref_to_table_cond: info: select_cond changes 0x7f796f7fb8c0 -> 0x7f796f7fbf10 at line 22557 tab 0x7f796f7fa288 JOIN::save_explain_data_intern: info: Select 0x7f796f699480, type (null), message NULL JOIN::exec: info: Sorting for send_result_set_metadata JOIN::exec: info: Sorting for order by/group by JOIN::exec: info: has_group_by 0 curr_join->table_count 2 curr_join->m_select_limit -1 unit->select_limit_cnt -1 my_malloc: info: memory_used: 63192 size: 416 my_malloc: info: memory_used: 63608 size: 128 my_malloc: info: memory_used: 63736 size: 8 my_malloc: info: memory_used: 63744 size: 4056 Info about FILESORT Sortorder: v.seq filesort: info: sort_length: 9 my_malloc: info: memory_used: 67800 size: 144 filesort: info: addon_length: 67 my_malloc: info: memory_used: 67944 size: 72 check_if_pq_applicable: info: No LIMIT filesort: info: filesort PQ is not applicable my_malloc: info: memory_used: 68016 size: 1144 init_io_cache: info: init_io_cache: cachesize = 65536 find_all_keys: info: using: ranges column_bitmaps_signal: info: read_set: 0x7f79a4eb47e0 write_set: 0x7f79a4eb47e0 handler::ha_index_read_map: oq-debug: thd: 0x7f796f695070; index_read_idx() handler::ha_index_read_map: oq-debug: index_read_idx ::>> search(latch:dijkstras,1,3) handler::ha_index_read_map: oq-debug: search() = 0 handler::ha_index_read_map: oq-debug: fill_record() ::>> dijkstras,1,3,-1.000000,0,1 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,1,2 handler::multi_range_read_next: oq-debug: fill_record() ::>> dijkstras,1,3,1.000000,2,3 column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 find_all_keys: info: find_all_keys return 1 my_malloc: info: memory_used: 69160 size: 72 my_free: info: memory_used: 69232 size: -1144 my_free: info: memory_used: 68088 size: -128 my_free: info: memory_used: 67960 size: -4056 my_free: info: memory_used: 63904 size: -8 create_sort_index: info: select_cond changes 0x7f796f7fbf10 -> 0x0 at line 20721 tab 0x7f796f7fa288 JOIN::exec: info: Sending data init_read_record: info: using record_pointers my_free: info: memory_used: 63896 size: -416 my_free: info: memory_used: 63480 size: -72 my_free: info: memory_used: 63408 size: -72 my_free: info: memory_used: 63336 size: -144 mi_update_status: info: updating status: key_file: 5120 data_file: 150680 rows: 3 mi_update_status: info: invalidator... './skynet/db_history' (status update) mi_lock_database: info: changed: 0 w_locks: 0 mi_restore_status: info: key_file: 5120 data_file: 150680 mi_lock_database: info: changed: 0 w_locks: 0 do_select: info: 1 records output my_free: info: memory_used: 63192 size: -1600 handle_select: info: res: 0 report_error: 0 close_thread_tables: info: thd->open_tables: 0x7f79a4eaba70 close_thread_table: info: Adding mdl lock 1 to 3 close_thread_table: info: Adding mdl lock 1 to 3 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798bf71a00 MDL_context::release_locks_stored_before: info: found lock to release ticket=0x7f798b754d40 dispatch_command: info: query ready net_send_eof: info: EOF sent, so no more error sending allowed my_free: info: memory_used: 61592 size: -8152 my_free: info: memory_used: 53440 size: -8152 my_free: info: memory_used: 45288 size: -8152 my_free: info: memory_used: 37136 size: -8152 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS dispatch_command: info: query ready net_send_ok: info: affected_rows: 0 id: 0 status: 2 warning_count: 0 net_send_ok: info: OK sent, so no more error sending allowed do_command: info: Command on socket = 12 (Kill) dispatch_command: info: command: 12 add_to_locked_mutex: info: inserting 0x7f798bfb1430 into 0x7f79a8fa2900 (id: 149 -> 18) add_to_locked_mutex: info: inserting 0x7f798bfb1430 into 0x7f796f696820 (id: 149 -> 214) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f79a8fa2900 (id: 12 -> 18) add_to_locked_mutex: info: inserting 0x7f798bfb14f0 into 0x7f79a8fa2900 (id: 10 -> 18) add_to_locked_mutex: info: inserting 0x7f79927e94f0 into 0x7f796f696820 (id: 12 -> 214) add_to_locked_mutex: info: inserting 0x7f798bfb14f0 into 0x7f796f696820 (id: 10 -> 214) add_to_locked_mutex: info: inserting 0x7f798bfb1370 into 0x7f79a8fa2900 (id: 215 -> 18) add_to_locked_mutex: info: inserting 0x7f798bfb1370 into 0x7f796f696820 (id: 215 -> 214) my_malloc: info: memory_used: 28984 size: 2008 trans_rollback: info: clearing SERVER_STATUS_IN_TRANS my_free: info: memory_used: 30992 size: -256 my_free: info: memory_used: 30736 size: -16392 ~THD(): info: freeing security context my_free: info: memory_used: 14344 size: -4120 my_free: info: memory_used: 10224 size: -8216 my_free: info: memory_used: 2008 size: -2008 do_command: info: Command on socket = 3 (Query) dispatch_command: info: command: 3 st_select_lex::add_item_to_list: info: Item: 0x7f798bc88138 open_temporary_table: info: skip_temporary is set or no temporary tables mysql_execute_command: info: derived: 0 view: 0 MDL_context::acquire_lock: info: Got lock without waiting column_bitmaps_signal: info: read_set: 0x7f79a4eb4780 write_set: 0x7f79a4eb47a0 lock_tables_check: info: Adding mdl lock 3 to 3 get_lock_data: info: count 1 get_lock_data: info: sql_lock->table_count 1 sql_lock->lock_count 1 lock_external: info: count 1 mi_get_status: info: name: ./skynet/db_history.MYI key_file: 5120 data_file: 150680 rows: 3 concurrent_insert: 0 THD::decide_logging_format: info: Query: SELECT * FROM version_history THD::decide_logging_format: info: variables.binlog_format: 1 THD::decide_logging_format: info: lex->get_stmt_unsafe_flags(): 0x0 THD::decide_logging_format: info: decision: no logging since mysql_bin_log.is_open() = 0 and (options & OPTION_BIN_LOG) = 0x40000 and binlog_format = 1 and binlog_filter->db_ok(db) = 1 Field_iterator_table_ref::set_field_iterator: info: field_it for 'version_history' is Field_iterator_table setup_fields: info: thd->mark_used_columns: 1 setup_fields: info: thd->mark_used_columns: 1 setup_conds: info: thd->mark_used_columns: 1 my_malloc: info: memory_used: 28984 size: 8152 get_best_combination: info: type: 0 make_join_select: info: select_cond changes 0x0 -> 0x0 at line 9599 tab 0x7f798bf6a088 Info about JOIN version_history type: ALL q_keys: 0 refs: 0 key: -1 len: 0 select used JOIN::save_explain_data_intern: info: Select 0x7f798b7fc480, type (null), message NULL JOIN::exec: info: Sending data init_read_record: info: using rr_sequential init_io_cache: info: init_io_cache: cachesize = 131072 141101 20:25:44 [ERROR] mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. To report this bug, see http://kb.askmonty.org/en/reporting-bugs We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. Server version: 10.1.1-MariaDB-wsrep-debug key_buffer_size=134217728 read_buffer_size=131072 max_used_connections=3 max_threads=153 thread_count=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467303 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x0x7f798b7f8070 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f79a7b61df8 thread_stack 0x48000 /usr/libexec/mysqld(my_print_stacktrace+0x2b)[0x7f79a8707d12] /usr/libexec/mysqld(handle_fatal_signal+0x2db)[0x7f79a818d945] /lib64/libpthread.so.0(+0xfc80)[0x7f79a77c7c80] /usr/libexec/mysqld(_ZN7handler11ha_rnd_nextEPh+0x153)[0x7f79a8193559] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN8oqgraph36cursor7seek_toEN5boost8optionalIyEES3_+0xe38)[0x7f798c1e650a] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN8oqgraph313edge_iterator4seekEv+0xe9)[0x7f798c1e3fc9] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN8oqgraph313edge_iteratorneERKS0_+0x2e)[0x7f798c1e4144] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN10open_query12edges_cursor9fetch_rowERKNS_3rowERS1_+0xc0)[0x7f798c1d9126] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN10open_query7oqgraph9fetch_rowERNS_3rowE+0x1d)[0x7f798c1d9b9f] /usr/lib64/mysql/plugin/ha_oqgraph.so(_ZN10ha_oqgraph8rnd_nextEPh+0x32)[0x7f798c1d841a] /usr/libexec/mysqld(_ZN7handler11ha_rnd_nextEPh+0x102)[0x7f79a8193508] /usr/libexec/mysqld(_Z13rr_sequentialP11READ_RECORD+0x47)[0x7f79a82ae652] /usr/libexec/mysqld(_Z21join_init_read_recordP13st_join_table+0x8c)[0x7f79a80205e4] /usr/libexec/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x19e)[0x7f79a80207bb] /usr/libexec/mysqld(+0x4363bd)[0x7f79a80303bd] /usr/libexec/mysqld(_ZN4JOIN10exec_innerEv+0x2937)[0x7f79a8045b4b] /usr/libexec/mysqld(_ZN4JOIN4execEv+0x63)[0x7f79a804613b] /usr/libexec/mysqld(_Z12mysql_selectP3THDPPP4ItemP10TABLE_LISTjR4ListIS1_ES2_jP8st_orderSB_S2_SB_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x7ff)[0x7f79a8042a8b] /usr/libexec/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x153)[0x7f79a8042cb6] /usr/libexec/mysqld(+0x3e3f97)[0x7f79a7fddf97] /usr/libexec/mysqld(_Z21mysql_execute_commandP3THD+0xc64)[0x7f79a7fe49bb] /usr/libexec/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x186)[0x7f79a7fee726] /usr/libexec/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0xdd0)[0x7f79a7ff0528] /usr/libexec/mysqld(_Z10do_commandP3THD+0x784)[0x7f79a7ff284c] /usr/libexec/mysqld(_Z24do_handle_one_connectionP3THD+0x165)[0x7f79a80cd0bd] /usr/libexec/mysqld(handle_one_connection+0x40)[0x7f79a80cd29d] /lib64/libpthread.so.0(+0x80d2)[0x7f79a77c00d2] /lib64/libc.so.6(clone+0x6d)[0x7f79a57bff6d] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (0x7f798bc88088): is an invalid pointer Connection ID (thread ID): 2 Status: NOT_KILLED Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash.'