TokuDB热备测试
1、启动后尝试安装TokuDB插件
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[root@es3 MySQL]# export PATH=$PATH:/usr/local/mysql/bin [root@es3 mysql]# ps_tokudb_admin -h227.0.0.1 --enable Checking SELinux status... INFO: SELinux is disabled. Checking location of jemalloc library ... INFO: Using jemalloc library from /usr/lib64/libjemalloc.so.1 Checking transparent huge pages status on the system... INFO: Transparent huge pages are enabled (should be disabled). Checking if THP_SETTING variable is set to never or madvise in /etc/sysconfig/mysql... INFO: Variable THP_SETTING is not set to never or madvise in /etc/sysconfig/mysql. Checking if LD_PRELOAD variable is set for libjemalloc.so.1 in /etc/sysconfig/mysql... INFO: Variable LD_PRELOAD for libjemalloc.so.1 is set in /etc/sysconfig/mysql. Checking TokuDB engine plugin status... INFO: TokuDB engine plugin is not installed. Disabling transparent huge pages for the current session... INFO: Successfully disabled transparent huge pages for this session. Adding THP_SETTING=never variable into /etc/sysconfig/mysql INFO: Successfully added THP_SETTING=never option into /etc/sysconfig/mysql Installing TokuDB engine... 2019-08-27T08:51:36.877238Z 5 [ERROR] TokuDB is not initialized because jemalloc is not loaded 2019-08-27T08:51:36.877264Z 5 [ERROR] Plugin 'TokuDB' init function returned error. 2019-08-27T08:51:36.877279Z 5 [ERROR] Plugin 'TokuDB' registration as a STORAGE ENGINE failed. 2019-08-27T08:51:36.877307Z 5 [Note] Shutting down plugin 'TokuDB' ERROR: Failed to install TokuDB engine plugin. Please check error log.
2、添加jemalloc 后
[root@es3 lib]# sh /usr/local/mysql/support-files/mysql.server start [root@es3 support-files]# ps_tokudb_admin -h227.0.0.1 --enable Checking SELinux status... INFO: SELinux is disabled. Checking if Percona Server is running with jemalloc enabled... INFO: Percona Server is running with jemalloc enabled. Checking transparent huge pages status on the system... INFO: Transparent huge pages are currently disabled on the system. Checking if thp-setting=never option is already set in config file... INFO: Option thp-setting=never is not set in the config file. (needed only if THP is not disabled permanently on the system) Checking TokuDB engine plugin status... INFO: TokuDB engine plugin is not installed. Adding thp-setting=never option into /etc/my.cnf INFO: Successfully added thp-setting=never option into /etc/my.cnf Installing TokuDB engine... INFO: Successfully installed TokuDB engine plugin.
3、安装热备插件
[root@es3 support-files]# ps_tokudb_admin -h227.0.0.1 --enable-backup Checking SELinux status... INFO: SELinux is disabled. Checking if Percona Server is running with jemalloc enabled... INFO: Percona Server is running with jemalloc enabled. Checking transparent huge pages status on the system... INFO: Transparent huge pages are currently disabled on the system. Checking if thp-setting=never option is already set in config file... INFO: Option thp-setting=never is set in the config file. Checking if preload-hotbackup option is already set in config file... INFO: Option preload-hotbackup is not set in the config file. Checking TokuDB engine plugin status... INFO: TokuDB engine plugin is installed. Checking TokuBackup plugin status... INFO: TokuBackup plugin is not installed. Adding preload-hotbackup option into /etc/my.cnf INFO: Successfully added preload-hotbackup option into /etc/my.cnf PLEASE RESTART MYSQL SERVICE AND RUN THIS SCRIPT AGAIN TO FINISH INSTALLATION!
4、启动查看tokudb相关信息，尝试备份，并配置关闭异步IO
innodb_use_native_aio =0
5、重新运行一遍， --enable-backup（PLEASE RESTART MYSQL SERVICE AND RUN THIS SCRIPT AGAIN TO FINISH INSTALLATION!）
[root@es3 lib]# sh /usr/local/mysql/support-files/mysql.server restart Shutting down MySQL (Percona Server)... SUCCESS! Starting MySQL (Percona Server).. SUCCESS! [root@es3 lib]# mkdir -p /data/backup/ [root@es3 lib]# chown mysql.mysql -R /data/backup/ [root@es3 lib]# mysql -h227.0.0.1 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.7.17-13 Percona Server (GPL), Release 13, Revision fd33d43 Copyright (c) 2009-2016 Percona LLC and/or its affiliates Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> set tokudb_backup_dir='/data/backup/'; mysql> exit Bye [root@es3 lib]# ps_tokudb_admin -h227.0.0.1 --enable-backup Checking SELinux status... INFO: SELinux is disabled. Checking if Percona Server is running with jemalloc enabled... INFO: Percona Server is running with jemalloc enabled. Checking transparent huge pages status on the system... INFO: Transparent huge pages are currently disabled on the system. Checking if thp-setting=never option is already set in config file... INFO: Option thp-setting=never is set in the config file. Checking if preload-hotbackup option is already set in config file... INFO: Option preload-hotbackup is set in the config file. Checking TokuDB engine plugin status... INFO: TokuDB engine plugin is installed. Checking TokuBackup plugin status... INFO: TokuBackup plugin is not installed. Checking if Percona Server is running with libHotBackup.so preloaded... INFO: Percona Server is running with libHotBackup.so preloaded. Installing TokuBackup plugin... INFO: Successfully installed TokuBackup plugin.
6、执行备份，并观察
[root@es3 lib]# mysql -h227.0.0.1 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 7 Server version: 5.7.17-13 Percona Server (GPL), Release 13, Revision fd33d43 Copyright (c) 2009-2016 Percona LLC and/or its affiliates Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> set tokudb_backup_dir='/data/backup/'; Query OK, 0 rows affected (13.16 sec) mysql> exit Bye [root@es3 lib]# cd /data/backup/ [root@es3 backup]# ll 总用量 4 drwxr-x--- 6 mysql mysql 4096 8月 27 17:56 mysql_data_dir [root@es3 backup]# cd mysql_data_dir/ [root@es3 mysql_data_dir]# ll 总用量 126896 -rwxr-x--x 1 mysql mysql 56 8月 27 17:56 auto.cnf -rwxr-x--x 1 mysql mysql 1676 8月 27 17:56 ca-key.pem -rwxr-x--x 1 mysql mysql 1083 8月 27 17:56 ca.pem -rwxr-x--x 1 mysql mysql 1087 8月 27 17:56 client-cert.pem -rwxr-x--x 1 mysql mysql 1680 8月 27 17:56 client-key.pem -rwxr-x--x 1 mysql mysql 5 8月 27 17:56 es3.pid -rwxr-x--x 1 mysql mysql 292 8月 27 17:56 ib_buffer_pool -rwxr-x--x 1 mysql mysql 12582912 8月 27 17:57 ibdata1 -rwxr-x--x 1 mysql mysql 50331648 8月 27 17:56 ib_logfile0 -rwxr-x--x 1 mysql mysql 50331648 8月 27 17:57 ib_logfile1 -rwxr-x--x 1 mysql mysql 12582912 8月 27 17:56 ibtmp1 -rwxr-x--x 1 mysql mysql 2908 8月 27 17:56 log000000000003.tokulog29 -rwxr-x--x 1 mysql mysql 23625 8月 27 17:56 mariadb.log drwxr-x--x 2 mysql mysql 4096 8月 27 17:56 mysql -rwxr-x--x 1 mysql mysql 5 8月 27 17:56 mysql.sock.lock drwxr-x--x 2 mysql mysql 8192 8月 27 17:56 performance_schema -rwxr-x--x 1 mysql mysql 1680 8月 27 17:56 private_key.pem -rwxr-x--x 1 mysql mysql 452 8月 27 17:56 public_key.pem -rwxr-x--x 1 mysql mysql 1087 8月 27 17:56 server-cert.pem -rwxr-x--x 1 mysql mysql 1676 8月 27 17:56 server-key.pem drwxr-x--x 2 mysql mysql 8192 8月 27 17:56 sys -rwxr-x--x 1 mysql mysql 24576 8月 27 17:56 tc.log drwxr-x--x 2 mysql mysql 60 8月 27 17:56 tktest -rwxr-x--x 1 mysql mysql 16384 8月 27 17:56 tokudb.directory -rwxr-x--x 1 mysql mysql 16384 8月 27 17:56 tokudb.environment -rwxr-x--x 1 mysql mysql 0 8月 27 17:56 __tokudb_lock_dont_delete_me_data -rwxr-x--x 1 mysql mysql 0 8月 27 17:56 __tokudb_lock_dont_delete_me_environment -rwxr-x--x 1 mysql mysql 0 8月 27 17:56 __tokudb_lock_dont_delete_me_logs -rwxr-x--x 1 mysql mysql 0 8月 27 17:56 __tokudb_lock_dont_delete_me_recovery -rwxr-x--x 1 mysql mysql 0 8月 27 17:56 __tokudb_lock_dont_delete_me_temp -rwxr-x--x 1 mysql mysql 16384 8月 27 17:56 tokudb.rollback -rwxr-x--x 1 mysql mysql 3932160 8月 27 17:56 xb_doublewrite
新闻名称：TokuDB热备测试
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