percona pt toolkit 总结

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percona pt toolkit 总结

##=====================================================##pt-osc之工作流程:1.检查更改表是否有主键或唯一索引,是否有触发器2.检查修改表的表结构,创建一个临时表,在新表上执行ALTER TABLE语句3.在源表上创建三个触发器分别对于INSERT UPDATE DELETE操作4.从源表拷贝数据到临时表,在拷贝过程中,对源表的更新操作会写入到新建表中5.将临时表和源表rename(需要元数据修改锁,需要短时间锁表)6.删除源表和触发…

快速安装Percona pt工具

yum install perl-DBI perl-DBD-MySQL perl-Time-HiRes perl-Time-HiRes perl-IO-Socket-SSLwget http://pkgs.repoforge.org/perl-TermReadKey/perl-TermReadKey-2.30-1.el3.rf.x86_64.rpmwget https://www.percona.com/downloads/percona-toolkit/2.2.14/RPM/percona-t…

pt-pmp :pt toolkit

http://www.cnblogs.com/ivictor/p/6012183.html…

pt-table-checksum校验与pt-table-sync修复数据

1:下载工具包登录网站下载相应的工具包 https://www.percona.com/downloads/percona-toolkit/LATEST/ 2:安装 (1)yum安装: sudo yum install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm yum list | grep percona-toolkit 结果集显示以下证明安装成…

使用Anemometer分析MySQL慢查询记录

数据库管理员一般是用percona的toolkit工具来分析MySQL慢查询记录,但是不够直观. 下面介绍一款比较直观的工具来统计分析MySQL慢查询记录anemometer. 在使用之前需要安装percona的toolkit工具,anemometer提供web界面. anemometer介绍参见:https://github.com/box/Anemometer/wiki 1. 安装 # cd /data/www/my.ttlsa.com # git clone https://github.…

MySQL Performance Tuning: Tips, Scripts and Tools

With MySQL, common configuration mistakes can cause serious performance problems. In fact, if you mis-configure just one of the many config parameters, it can cripple performance! (see examples) Of course, the performance of MySQL is often tied great…