Percona XtraBackup 2.4 xtrabackup full, incremental backup recovery proc

Shulou Source: shulou.com Published: 2022-06-01 04:42:35 10月05日 Update

Common parameters of xtrabackup

-- backup creates a backup and stores it in the-- target-dir directory

-- path to the defaults-file= [MY.CNF] configuration file

-- target-dir=DIRECTORY specifies the path where backups are stored. If the directory does not exist, xtrabackup will create the corresponding directory

-- user name of the user backup account

-- password backup account password

-- path to the datadir=DIRECTORY data directory

-- copy-back copies the previous backups back to their starting directory

-- full xtrabackup backup

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-backup--datadir=/var/lib/mysql/-target-dir=/backup/20160722-user root

-- password 'System#2013'

160721 20:30:13 [01] Copying. / mysql/user.frm to / backup/20160722/mysql/user.frm

160721 20:30:13 [01]... done

160721 20:30:14 [01] Copying. / mysql/proxies_priv.frm to / backup/20160722/mysql/proxies_priv.frm

160721 20:30:14 [01]... done

160721 20:30:14 [01] Copying. / mysql/proc.MYD to / backup/20160722/mysql/proc.MYD

160721 20:30:14 [01]... done

160721 20:30:14 [01] Copying. / mysql/help_relation.frm to / backup/20160722/mysql/help_relation.frm

160721 20:30:14 [01]... done

160721 20:30:14 Finished backing up non-InnoDB tables and files

160721 20:30:14 [00] Writing xtrabackup_binlog_info

160721 20:30:14 [00]... done

160721 20:30:14 Executing FLUSH NO_WRITE_TO_BINLOG ENGINE LOGS...

Xtrabackup: The latest check point (for incremental): '186651619'

Xtrabackup: Stopping log copying thread.

.160721 20:30:14 > > log scanned up to (186651628)

160721 20:30:14 Executing UNLOCK TABLES

160721 20:30:14 All tables unlocked

160721 20:30:14 [00] Copying ib_buffer_pool to / backup/20160722/ib_buffer_pool

160721 20:30:14 [00]... done

160721 20:30:14 Backup created in directory'/ backup/20160722'

MySQL binlog position: filename 'production-bin.000002', position' 1944th, GTID of the last change '026dc034-4dc2-11e6-a9cb-000c29631605:1-17

Cf291e84-2c89-11e6-b6f0-000c29631605:1-44'

160721 20:30:14 [00] Writing backup-my.cnf

160721 20:30:14 [00]... done

160721 20:30:14 [00] Writing xtrabackup_info

160721 20:30:14 [00]... done

Xtrabackup: Transaction log of lsn (186651619) to (186651628) was copied.

160721 20:30:14 completed OK!

-- full recovery of xtrabackup

-Delete the myisam table

Mysql > show create table fire.t10\ G

* * 1. Row *

Table: t10

Create Table: CREATE TABLE `t10` (

`f1` int (11) DEFAULT NULL

`gc` int (11) GENERATED ALWAYS AS ((`f1` + 1)) STORED

KEY `gc` (`gc`)

) ENGINE=MyISAM DEFAULT CHARSET=latin1

1 row in set (0.00 sec)

Mysql > drop table fire.t10

Query OK, 0 rows affected (0.21 sec)

-prepare the backup for the first time to make the backup data files consistent

[root@localhost 20160722] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-target-dir=/backup/20160722/

. InnoDB: New log files created, LSN=186651663

InnoDB: Highest supported file format is Barracuda.

InnoDB: Log scan progressed past the checkpoint lsn 186652172

InnoDB: Doing recovery: scanned up to log sequence number 186652181

InnoDB: Database was not shutdown normally!

InnoDB: Starting crash recovery.

InnoDB: xtrabackup: Last MySQL binlog file position 3212, file name production-bin.000001

InnoDB: Removed temporary tablespace data file: "ibtmp1"

InnoDB: Creating shared tablespace for temporary tables

InnoDB: Setting file'. / ibtmp1' size to 12 MB. Physically writing the file full; Please wait...

InnoDB: File'. / ibtmp1' size is now 12 MB.

InnoDB: 96 redo rollback segment (s) found. 1 redo rollback segment (s) are active.

InnoDB: 32 non-redo rollback segment (s) are active.

InnoDB: Waiting for purge to start

InnoDB: page_cleaner: 1000ms intended loop took 10267ms. The settings might not be optimal. Flushed=0 and evicted=0, during the time.

InnoDB: 5.7.11 started; log sequence number 186652181

Xtrabackup: starting shutdown with innodb_fast_shutdown = 1

InnoDB: FTS optimize thread exiting.

InnoDB: Starting shutdown...

InnoDB: Shutdown completed; log sequence number 186652200

160721 23:40:39 completed OK!

-prepare the backup for the second time and create a new log file to make the recovery faster; if not executed for the second time-prepare,xtrabackup will automatically create the log file when restore. [root@localhost 20160722] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-target-dir=/backup/20160722/

Xtrabackup: innodb_data_file_path = ibdata1:12M:autoextend

Xtrabackup: innodb_log_group_home_dir =.

Xtrabackup: innodb_log_files_in_group = 2

Xtrabackup: innodb_log_file_size = 50331648

InnoDB: PUNCH HOLE support not available

InnoDB: Mutexes and rw_locks use GCC atomic builtins

InnoDB: Uses event mutexes

InnoDB: GCC builtin _ _ sync_synchronize () is used for memory barrier

InnoDB: Compressed tables use zlib 1.2.3

InnoDB: Number of pools: 1

InnoDB: Using CPU crc32 instructions

InnoDB: Initializing buffer pool, total size = 100m, instances = 1, chunk size = 100m

InnoDB: Completed initialization of buffer pool

InnoDB: page_cleaner coordinator priority:-20

InnoDB: Highest supported file format is Barracuda.

InnoDB: Removed temporary tablespace data file: "ibtmp1"

InnoDB: Creating shared tablespace for temporary tables

InnoDB: Setting file'. / ibtmp1' size to 12 MB. Physically writing the file full; Please wait...

InnoDB: File'. / ibtmp1' size is now 12 MB.

InnoDB: 96 redo rollback segment (s) found. 1 redo rollback segment (s) are active.

InnoDB: 32 non-redo rollback segment (s) are active.

InnoDB: Waiting for purge to start

InnoDB: 5.7.11 started; log sequence number 186652219

Xtrabackup: starting shutdown with innodb_fast_shutdown = 1

InnoDB: FTS optimize thread exiting.

InnoDB: Starting shutdown...

InnoDB: Shutdown completed; log sequence number 186652238

160721 23:44:05 completed OK!

[root@localhost 20160722] # ls-trl

Total 196656

Drwxr-x---. 2 root root 4096 Jul 21 20:30 fire

Drwxr-x---. 2 root root 12288 Jul 21 20:30 sys

Drwxr-x---. 2 root root 4096 Jul 21 20:30 performance_schema

Drwxr-x---. 2 root root 4096 Jul 21 20:30 mysql

-rw-r-. 1 root root 111 Jul 21 20:30 xtrabackup_binlog_info

-rw-r-. 1 root root 785 Jul 21 20:30 ib_buffer_pool

-rw-r-. 1 root root 428 Jul 21 20:30 backup-my.cnf

-rw-r-. 1 root root 677 Jul 21 20:30 xtrabackup_info

-rw-r-. 1 root root 8388608 Jul 21 23:40 xtrabackup_logfile

-rw-r-. 1 root root 50331648 Jul 21 23:40 ib_logfile1

-rw-r--r--. 1 root root 27 Jul 21 23:44 xtrabackup_binlog_pos_innodb

-rw-r-. 1 root root 117 Jul 21 23:44 xtrabackup_checkpoints

-rw-r-. 1 root root 12582912 Jul 21 23:44 ibtmp1

-rw-r-. 1 root root 50331648 Jul 21 23:44 ib_logfile0

-rw-r-. 1 root root 79691776 Jul 21 23:44 ibdata1

-perform restore operation

[root@localhost 20160722] # rsync-rvt-- exclude 'xtrabackup_checkpoints'-- exclude' xtrabackup_logfile'\

>. / / var/lib/mysql

Sending incremental file list

. /

Backup-my.cnf

Ib_buffer_pool

Ib_logfile0

Ib_logfile1

Ibdata1

Ibtmp1

Xtrabackup_binlog_info

Xtrabackup_binlog_pos_innodb

Xtrabackup_info

Fire/

Fire/db.opt

Fire/emp.frm

Fire/emp.ibd

Fire/emp2.frm

Fire/emp2.ibd

Fire/t1.frm

Fire/t1.ibd

Fire/t10.MYD

Fire/t10.MYI

Fire/t10.frm

. Sys/x@0024user_summary_by_statement_latency.frm

Sys/x@0024user_summary_by_statement_type.frm

Sys/x@0024wait_classes_global_by_avg_latency.frm

Sys/x@0024wait_classes_global_by_latency.frm

Sys/x@0024waits_by_host_by_latency.frm

Sys/x@0024waits_by_user_by_latency.frm

Sys/x@0024waits_global_by_latency.frm

Sent 324679831 bytes received 5769 bytes 22392110.34 bytes/sec

Total size is 324618115 speedup is 1.00

-change data directory permissions

[root@localhost 20160722] # chown-R mysql:mysql / var/lib/mysql/

-start the database

[root@localhost 20160722] # service mysqld start

Starting mysqld: [OK]

-View the data in the restored table

Mysql > select table_catalog,table_schema,table_name,table_type,engine,version from information_schema.tables where table_name='t10'

+-+ +

+-+ +

| | def | fire | T10 | BASE TABLE | MyISAM | 10 |

+-+ +

1 row in set (0.00 sec)

Mysql > select * from fire.t10

+-+ +

| | F1 | gc |

+-+ +

| | 1 | 2 |

| | 2 | 3 |

| | 3 | 4 |

| | 4 | 5 |

| | 5 | 6 |

+-+ +

5 rows in set (0.00 sec)

-- xtrabackup incremental backup

-complete implementation fundamentals

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-backup--datadir=/var/lib/mysql/-target-dir=/backup/20160722-user root

-- password 'System#2013'

-- create test tables and insert data

Mysql > create table dept (id int (5), d_name varchar (15), loc varchar (15))

Query OK, 0 rows affected (0.42 sec)

Mysql > insert into dept values (10 recordings, Researchmakers, and ShangHai')

Query OK, 1 row affected (0.06 sec)

Mysql > insert into dept values (20 MaintenanceMaintenance1)

Query OK, 1 row affected (0.00 sec)

Mysql > commit

Query OK, 0 rows affected (0.00 sec)

-perform incremental backup one

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-- defaults-file=/etc/my.cnf-- backup--target-dir=/backup/inc1-- incremental-basedir=/backup/20160722/-- user root-- password 'System#2013'

. 160722 00:26:18 [00] Writing xtrabackup_binlog_info

160722 00:26:18 [00]... done

160722 00:26:18 Executing FLUSH NO_WRITE_TO_BINLOG ENGINE LOGS...

Xtrabackup: The latest check point (for incremental): '186658935'

Xtrabackup: Stopping log copying thread.

.160722 00:26:18 > > log scanned up to (186658944)

160722 00:26:18 Executing UNLOCK TABLES

160722 00:26:18 All tables unlocked

160722 00:26:18 [00] Copying ib_buffer_pool to / backup/inc1/ib_buffer_pool

160722 00:26:18 [00]... done

160722 00:26:18 Backup created in directory'/ backup/inc1'

MySQL binlog position: filename 'production-bin.000001', position' 918, GTID of the last change '026dc034-4dc2-11e6-a9cb-000c29631605:1-17

Cf291e84-2c89-11e6-b6f0-000c29631605:1-44

Fd17ba52-4fd8-11e6-bd80-000c29631605:1-3'

160722 00:26:18 [00] Writing backup-my.cnf

160722 00:26:18 [00]... done

160722 00:26:18 [00] Writing xtrabackup_info

160722 00:26:18 [00]... done

Xtrabackup: Transaction log of lsn (186658935) to (186658944) was copied.

160722 00:26:18 completed OK!

-- create test tables and insert data

Mysql > create table test2 like test

Query OK, 0 rows affected (0.95sec)

Mysql > insert into test2 select * from test

Query OK, 5 rows affected (0.16 sec)

Records: 5 Duplicates: 0 Warnings: 0

-perform incremental backup II

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-- defaults-file=/etc/my.cnf-- backup--target-dir=/backup/inc2-- incremental-basedir=/backup/inc1-- user root-- password 'System#2013'

. 160722 00:33:31 [01] Copying. / mysql/proxies_priv.frm to / backup/inc2/mysql/proxies_priv.frm

160722 00:33:31 [01]... done

160722 00:33:31 [01] Copying. / mysql/proc.MYD to / backup/inc2/mysql/proc.MYD

160722 00:33:31 [01]... done

160722 00:33:31 [01] Copying. / mysql/help_relation.frm to / backup/inc2/mysql/help_relation.frm

160722 00:33:31 [01]... done

160722 00:33:31 Finished backing up non-InnoDB tables and files

160722 00:33:31 [00] Writing xtrabackup_binlog_info

160722 00:33:31 [00]... done

160722 00:33:31 Executing FLUSH NO_WRITE_TO_BINLOG ENGINE LOGS...

Xtrabackup: The latest check point (for incremental): '186672619'

Xtrabackup: Stopping log copying thread.

.160722 00:33:31 > > log scanned up to (186672628)

160722 00:33:31 Executing UNLOCK TABLES

160722 00:33:31 All tables unlocked

160722 00:33:31 [00] Copying ib_buffer_pool to / backup/inc2/ib_buffer_pool

160722 00:33:31 [00]... done

160722 00:33:31 Backup created in directory'/ backup/inc2'

MySQL binlog position: filename 'production-bin.000001', position' 1421, GTID of the last change '026dc034-4dc2-11e6-a9cb-000c29631605:1-17

Cf291e84-2c89-11e6-b6f0-000c29631605:1-44

Fd17ba52-4fd8-11e6-bd80-000c29631605:1-5'

160722 00:33:31 [00] Writing backup-my.cnf

160722 00:33:31 [00]... done

160722 00:33:31 [00] Writing xtrabackup_info

160722 00:33:31 [00]... done

Xtrabackup: Transaction log of lsn (186672619) to (186672628) was copied.

160722 00:33:31 completed OK!

-- xtrabackup incremental recovery

-prepare the basics.

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-apply-log-only-target-dir=/backup/20160722/

. Xtrabackup: innodb_log_files_in_group = 2

Xtrabackup: innodb_log_file_size = 50331648

Xtrabackup: using the following InnoDB configuration for recovery:

Xtrabackup: innodb_data_home_dir =.

Xtrabackup: innodb_data_file_path = ibdata1:12M:autoextend

Xtrabackup: innodb_log_group_home_dir =.

Xtrabackup: innodb_log_files_in_group = 2

Xtrabackup: innodb_log_file_size = 50331648

Xtrabackup: Starting InnoDB instance for recovery.

Xtrabackup: Using 104857600 bytes for buffer pool (set by-use-memory parameter)

InnoDB: PUNCH HOLE support not available

InnoDB: Mutexes and rw_locks use GCC atomic builtins

InnoDB: Uses event mutexes

InnoDB: GCC builtin _ _ sync_synchronize () is used for memory barrier

InnoDB: Compressed tables use zlib 1.2.3

InnoDB: Number of pools: 1

InnoDB: Using CPU crc32 instructions

InnoDB: Initializing buffer pool, total size = 100m, instances = 1, chunk size = 100m

InnoDB: Completed initialization of buffer pool

InnoDB: page_cleaner coordinator priority:-20

InnoDB: Highest supported file format is Barracuda.

InnoDB: xtrabackup: Last MySQL binlog file position 3212, file name production-bin.000001

Xtrabackup: starting shutdown with innodb_fast_shutdown = 1

InnoDB: Starting shutdown...

InnoDB: Shutdown completed; log sequence number 186652247

InnoDB: Number of pools: 1

160722 01:13:30 completed OK!

-rollback the basic data to the first incremental backup

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-apply-log-only-target-dir=/backup/20160722/-incremental-dir=/backup/inc1/

. 160722 01:16:56 [01] Copying / backup/inc1/mysql/server_cost.frm to. / mysql/server_cost.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/db.MYD to. / mysql/db.MYD

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/general_log.CSV to. / mysql/general_log.CSV

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/help_category.frm to. / mysql/help_category.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/innodb_table_stats.frm to. / mysql/innodb_table_stats.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/slave_master_info.frm to. / mysql/slave_master_info.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/func.MYD to. / mysql/func.MYD

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/user.frm to. / mysql/user.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/proxies_priv.frm to. / mysql/proxies_priv.frm

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/proc.MYD to. / mysql/proc.MYD

160722 01:16:56 [01]... done

160722 01:16:56 [01] Copying / backup/inc1/mysql/help_relation.frm to. / mysql/help_relation.frm

160722 01:16:56 [01]... done

160722 01:16:56 [00] Copying / backup/inc1//xtrabackup_binlog_info to. / xtrabackup_binlog_info

160722 01:16:56 [00]... done

160722 01:16:56 [00] Copying / backup/inc1//xtrabackup_info to. / xtrabackup_info

160722 01:16:56 [00]... done

160722 01:16:56 completed OK!

-rollback the basic data to the second incremental backup

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-apply-log-only-target-dir=/backup/20160722/-incremental-dir=/backup/inc2/

. 160722 01:19:13 [01] Copying / backup/inc2/mysql/user.MYD to. / mysql/user.MYD

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/server_cost.frm to. / mysql/server_cost.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/db.MYD to. / mysql/db.MYD

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/general_log.CSV to. / mysql/general_log.CSV

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/help_category.frm to. / mysql/help_category.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/innodb_table_stats.frm to. / mysql/innodb_table_stats.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/slave_master_info.frm to. / mysql/slave_master_info.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/func.MYD to. / mysql/func.MYD

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/user.frm to. / mysql/user.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/proxies_priv.frm to. / mysql/proxies_priv.frm

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/proc.MYD to. / mysql/proc.MYD

160722 01:19:13 [01]... done

160722 01:19:13 [01] Copying / backup/inc2/mysql/help_relation.frm to. / mysql/help_relation.frm

160722 01:19:13 [01]... done

160722 01:19:13 [00] Copying / backup/inc2//xtrabackup_binlog_info to. / xtrabackup_binlog_info

160722 01:19:13 [00]... done

160722 01:19:13 [00] Copying / backup/inc2//xtrabackup_info to. / xtrabackup_info

160722 01:19:13 [00]... done

160722 01:19:13 completed OK!

-prepare all backups and create new log files

[root@localhost] # / install/percona/percona-xtrabackup-2.4.2-Linux-x86_64/bin/xtrabackup-defaults-file=/etc/my.cnf-prepare-target-dir=/backup/20160722/

. InnoDB: File'. / ibtmp1' size is now 12 MB.

InnoDB: 96 redo rollback segment (s) found. 1 redo rollback segment (s) are active.

InnoDB: 32 non-redo rollback segment (s) are active.

InnoDB: Waiting for purge to start

InnoDB: Page [page id: space=0, page number=9] log sequence number 186659641 is in the future! Current system log sequence number 186652266.

InnoDB: Your database may be corrupt or you may have copied the InnoDB tablespace but not the InnoDB log files. Please refer to http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html for information about forcing recovery.

InnoDB: Page [page id: space=0, page number=10] log sequence number 186659944 is in the future! Current system log sequence number 186652266.

InnoDB: Page [page id: space=0, page number=12] log sequence number 186662606 is in the future! Current system log sequence number 186652266.

InnoDB: Page [page id: space=13, page number=3] log sequence number 186669950 is in the future! Current system log sequence number 186652266.

InnoDB: 5.7.11 started; log sequence number 186652247

InnoDB: Page [page id: space=82, page number=0] log sequence number 186655532 is in the future! Current system log sequence number 186652266.

InnoDB: Page [page id: space=83, page number=0] log sequence number 186663700 is in the future! Current system log sequence number 186652266.

InnoDB: xtrabackup: Last MySQL binlog file position 1421, file name production-bin.000001

Xtrabackup: error: The transaction log file is corrupted.

Xtrabackup: error: The log was not applied to the intended LSN!

Xtrabackup: Log applied to lsn 186652247

Xtrabackup: The intended lsn is 186672619

-stop the database and delete all files under the data file

[root@localhost 20160722] # cd / var/lib/mysql

[root@localhost mysql] # rm-rf *

-perform restore operation

[root@localhost backup] # cd / backup/20160722

[root@localhost 20160722] # rsync-rvt-- exclude 'xtrabackup_checkpoints'-- exclude' xtrabackup_logfile'\

>. / / var/lib/mysql

Sending incremental file list

. /

Backup-my.cnf

Ib_buffer_pool

Ib_logfile0

Ib_logfile1

Ibdata1

. Sys/x@0024schema_table_statistics_with_buffer.frm

Sys/x@0024schema_tables_with_full_table_scans.frm

Sys/x@0024session.frm

Sys/x@0024statement_analysis.frm

Sys/x@0024statements_with_errors_or_warnings.frm

Sys/x@0024statements_with_full_table_scans.frm

Sys/x@0024statements_with_runtimes_in_95th_percentile.frm

Sys/x@0024statements_with_sorting.frm

Sys/x@0024statements_with_temp_tables.frm

Sys/x@0024user_summary.frm

Sys/x@0024user_summary_by_file_io.frm

Sys/x@0024user_summary_by_file_io_type.frm

Sys/x@0024user_summary_by_stages.frm

Sys/x@0024user_summary_by_statement_latency.frm

Sys/x@0024user_summary_by_statement_type.frm

Sys/x@0024wait_classes_global_by_avg_latency.frm

Sys/x@0024wait_classes_global_by_latency.frm

Sys/x@0024waits_by_host_by_latency.frm

Sys/x@0024waits_by_user_by_latency.frm

Sys/x@0024waits_global_by_latency.frm

Sent 324910462 bytes received 5845 bytes 24067874.59 bytes/sec

Total size is 324848462 speedup is 1.00

-change the permissions of the data directory

[root@localhost 20160722] # chown-R mysql.mysql / var/lib/mysql

-- start the database

[root@localhost mysql] # service mysqld start

Starting mysqld: [OK]

Mysql > select * from dept

+-+

| | id | d_name | loc | |

+-+

+-+

2 rows in set (0.00 sec)

Mysql > select * from test2

+-- +

+-- +

+-- +

5 rows in set (0.00 sec)

Percona XtraBackup 2.4 xtrabackup full, incremental backup recovery proc

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