参数
–busy-time
运行时间
–idle-time
空闲时间
–victims
所有匹配的连接，对应有最久的连接
–interval
间隔时间，默认30s，有点长，可以根据实际情况来调节
打印出来kill掉的连接
–match-command
匹配当前连接的命令
Query Sleep Binlog Dump Connect Delayed insert Execute Fetch Init DB Kill Prepare Processlist Quit Reset stmt Table Dump –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下载本文
