percona 实用工具之pt-kill使用介绍

–match-state

匹配当前连接的状态

Locked
login
copy to tmp table
Copying to tmp table
Copying to tmp table on disk
Creating tmp table
executing
Reading from net
Sending data
Sorting for order
Sorting result
Table lock
Updating
–match-info

使用正则表达式匹配符合的sql

–match-db –match-user –match-host

见名知意

常用用法

杀掉空闲链接

pt-kill –match-command Sleep –idle-time 5 –host –port –interval –print –kill –victims all

杀掉运行时间超过5s的链接

pt-kill –match-command Query –busy-time 5 –host –port –interval –print –kill –victims all

杀掉匹配某个规则的正在运行的sql

pt-kill –match-command Query –busy-time 5 –host –port –interval –print –kill –victims all –match-info

杀掉正在进行filesort的sql

pt-kill –match-command Query –match-state “Sorting result” busy-time 5 –host –port –interval –print –kill –victims all

杀掉正在Copying to tmp table的sql

pt-kill –match-command Query –match-state “Copying to tmp table” busy-time 5 –host –port –interval –print –kill –victims all

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