不停机xtrabackup创建slave节点(二)
)]
If you use binary log and don't use any hack of group commit,
the binary log position seems to be:
InnoDB: Last MySQL binlog file position 0 812, file name mysql-bin.000011
xtrabackup: starting shutdown with innodb_fast_shutdown = 1
InnoDB: FTS optimize thread exiting.
InnoDB: Starting shutdown...
InnoDB: Shutdown completed; log sequence number 1645779
150521 01:51:33 innobackupex: Restarting xtrabackup with command: xtrabackup_56 --defaults-file="/data/mysqldata/3307/data/backup-my.cnf" --defaults-group="mysqld" --prepare --target-dir=/data/mysqldata/3307/data --tmpdir=/tmp
for creating ib_logfile*
xtrabackup_56 version 2.0.7 for MySQL server 5.6.10 Linux (x86_64) (revision id: 552)
xtrabackup: cd to /data/mysqldata/3307/data
xtrabackup: This target seems to be already prepared.
xtrabackup: notice: xtrabackup_logfile was already used to '--prepare'.
xtrabackup: Temporary instance for recovery is set as followings.
xtrabackup: innodb_data_home_dir = ./
xtrabackup: innodb_data_file_path = ibdata1:2048M:autoextend
xtrabackup: innodb_log_group_home_dir = ./
xtrabackup: innodb_log_files_in_group = 3
xtrabackup: innodb_log_file_size = 268435456
xtrabackup: Temporary instance for recovery is set as followings.
xtrabackup: innodb_data_home_dir = ./
xtrabackup: innodb_data_file_path = ibdata1:2048M:autoextend
xtrabackup: innodb_log_group_home_dir = ./
xtrabackup: innodb_log_files_in_group = 3
xtrabackup: innodb_log_file_size = 268435456
xtrabackup: Starting InnoDB instance for recovery.
xtrabackup: Using 104857600 bytes for buffer pool (set by --use-memory parameter)
InnoDB: The InnoDB memory heap is disabled
InnoDB: Mut
exes and rw_locks use GCC atomic builtins
InnoDB: Compressed tables use zlib 1.2.3
InnoDB: CPU supports crc32 instructions
InnoDB: Initializing buffer pool, size = 100.0M
InnoDB: Completed initialization of buffer pool
InnoDB: Setting log file ./ib_logfile101 size to 256 MB
InnoDB: Progress in MB: 100 200
InnoDB: Setting log file ./ib_logfile1 size to 256 MB
InnoDB: Progress in MB: 100 200
InnoDB: Setting log file ./ib_logfile2 size to 256 MB
InnoDB: Progress in MB: 100 200
InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0
InnoDB: New log files created, LSN=1645779
InnoDB: Highest supported file format is Barracuda.
InnoDB: 128 rollback segment(s) are active.
InnoDB: Waiting for purge to start
2015-05-21 01:52:00 4a5b4940 InnoDB: Warning: table 'mysql/innodb_index_stats'
InnoDB: in InnoDB data dictionary has unknown flags 50.
2015-05-21 01:52:00 4a5b4940 InnoDB: Warning: table 'mysql/innodb_table_stats'
InnoDB: in InnoDB data dictionary has unknown flags 50.
InnoDB: 1.2.10 started; log sequence number 1646092
[notice (again)]
If you use binary log and don't use any hack of group commit,
the binary log position seems to be:
InnoDB: Last MySQL binlog file position 0 812, file name mysql-bin.000011
xtrabackup: starting shutdown with innodb_fast_shutdown = 1
InnoDB: FTS optimize thread exiting.
InnoDB: Starting shutdown...
InnoDB: Shutdown completed; log sequence number 1646102
150521 01:52:01 innobackupex: completed OK!
[mysql@master2 3307]$ ls data/
backup-my.cnf ib_logfile2 performance_schema xtrabackup_binlog_info xtrabackup_logfile
ib_logfile0 ibdata1 test xtrabackup_binlog_pos_innodb
ib_l