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MySQL管理工具---Percona Toolkit_MySQL

Jun 01, 2016 pm 01:32 PM
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MySQL管理工具---Percona Toolkit

 

Percona Toolkit 是一组高级的命令行工具,用来管理 MySQL 和系统任务,主要包括:

1、验证主节点和复制数据的一致性

2、有效的对记录行进行归档

3、找出重复的索引

4、总结 MySQL 服务器

5、从日志和 tcpdump 中分析查询

6、问题发生时收集重要的系统信息

PT安装:

yum install -y perl-CPAN perl-Time-HiRes   wget http://www.percona.com/downloads/percona-toolkit/LATEST/percona-toolkit-2.1.3-2.noarch.rpm   yum install -y percona-toolkit-2.1.3-2.noarch.rpm  
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工具安装目录在:/usr/bin

或者tar.gz包安装

wget http://www.percona.com/redir/downloads/percona-toolkit/LATEST/percona-toolkit-2.1.3.tar.gz   tar zxf percona-toolkit-2.1.3.tar.gz   cd percona-toolkit-2.1.3   perl Makefile.PL   make   make install  
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工具安装目录在:/usr/local/bin

常用工具集:

1、服务器摘要pt-summary  2、服务器磁盘监测pt-diskstats  3、mysql服务状态摘要pt-mysql-summary -- --user=root --password=root  4、慢查询日志分析统计pt-query-digest /data/logs/mysql/mysql-slow.log  5、表同步工具,和mk-tables-sync功能一样, 用法上 稍有不一样 ,--print的结果更详细pt-table-sync --execute --print --no-check-slave --database=world  h='127.0.0.1' --user=root --password=123456 h='192.168.0.212' --user=root --password=123456  6、主从状态监测,提供给它一台mysql服务器的IP用户名密码,就可以分析出整个主从架构中每台服务器的信息,包括但不限于mysql版 本,IP地址,server ID,mysql服务的启动时间,角色(主/从),Slave Status(落后于主服务器多少秒,有没有错误,slave有没有在运行)。[root@RHCE6 ~]# pt-slave-find --host=localhost --user=rhce6 --password=rhce6   localhost   Version         5.5.23-log   Server ID       1   Uptime          05:16:10 (started 2012-08-08T09:32:03)   Replication     Is not a slave, has 1 slaves connected, is not read_only   Filters            Binary logging  STATEMENT   Slave status       Slave mode      STRICT   Auto-increment  increment 1, offset 1   InnoDB version  1.1.8   +- 192.168.0.168      Version         5.5.23-log      Server ID       10      Uptime          38:19 (started 2012-08-08T14:09:54)      Replication     Is a slave, has 0 slaves connected, is not read_only      Filters               Binary logging  STATEMENT      Slave status    0 seconds behind, running, no errors      Slave mode      STRICT      Auto-increment  increment 1, offset 1      InnoDB version  1.1.8  7、mysql死锁监测pt-deadlock-logger h='127.0.0.1' --user=root --password=123456  8.主键冲突检查pt-duplicate-key-checker --database=world h='127.0.0.1' --user=root --password=123456  9.监测从库的复制延迟   ###经过测试 运行这个命令会使从库上的sql线程异常挂掉pt-slave-delay --host 192.168.0.206 --user=root --password=123456  
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