180615 23:18:29 innobackupex: Starting the apply-log operation

IMPORTANT: Please check that the apply-log run completes successfully.
           At the end of a successful apply-log run innobackupex
           prints "completed OK!".

--innobackupex based on MariaDB server 10.2.12-MariaDB Linux (x86_64) 
mariabackup: cd to /home/seppo/work/wsrep/mariadb-server/mysql-test/var/mysqld.2/data/.sst/
mariabackup: This target seems to be not prepared yet.
mariabackup: using the following InnoDB configuration for recovery:
mariabackup:   innodb_data_home_dir = .
mariabackup:   innodb_data_file_path = ibdata1:12M:autoextend
mariabackup:   innodb_log_group_home_dir = .
mariabackup: Starting InnoDB instance for recovery.
mariabackup: Using 104857600 bytes for buffer pool (set by --use-memory parameter)
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Uses event mutexes
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Compressed tables use zlib 1.2.11
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Number of pools: 1
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Using SSE2 crc32 instructions
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Initializing buffer pool, total size = 100M, instances = 1, chunk size = 100M
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Completed initialization of buffer pool
2018-06-15 23:18:29 140635189266176 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Highest supported file format is Barracuda.
2018-06-15 23:18:29 140635834758976 [Note] InnoDB: Starting crash recovery from checkpoint LSN=1628056
180615 23:18:29 completed OK!