一:
通过information_schema.processlist表中的连接信息生成需要处理掉的MySQL连接的语句临时文件,然后执行临时文件中生成的指令。 mysql> select concat('KILL ',id,';') from information_schema.processlist where user='root'; +------------------------+ | concat('KILL ',id,';') | +------------------------+ | KILL 3101; | | KILL 2946; | +------------------------+ 2 rows in set (0.00 sec) mysql> select concat('KILL ',id,';') from information_schema.processlist where user='root' into outfile '/tmp/a.txt'; Query OK, 2 rows affected (0.00 sec) mysql>source /tmp/a.txt; Query OK, 0 rows affected (0.00 sec) 方法二: 杀掉当前所有的MySQL连接 mysqladmin -uroot -p processlist|awk -F "|" '{print $2}'|xargs -n 1 mysqladmin -uroot -p kill 杀掉指定用户运行的连接,这里为Mike mysqladmin -uroot -p processlist|awk -F "|" '{if($3 == "Mike")print $2}'|xargs -n 1 mysqladmin -uroot -p kill 方法三: 通过SHEL脚本实现 #杀掉锁定的MySQL连接 for id in `mysqladmin processlist|grep -i locked|awk '{print $1}'` do mysqladmin kill ${id} done 方法四: 通过Maatkit工具集中提供的mk-kill命令进行 #杀掉超过60秒的sql mk-kill -busy-time 60 -kill #如果你想先不杀,先看看有哪些sql运行超过60秒 mk-kill -busy-time 60 -print #如果你想杀掉,同时输出杀掉了哪些进程 mk-kill -busy-time 60 -print –kill mk-kill更多用法可参考: http://www.maatkit.org/doc/mk-kill.html http://www.sbear.cn/archives/426 Maatkit工具集的其它用法可参考: http://code.google.com/p/maatkit/wiki/TableOfContents?tm=6 参考 http://www.orczhou.com/index.php/2010/10/kill-mysql-connectio-in-batch/ http://www.mysqlperformanceblog.com/2009/05/21/mass-killing-of-mysql-connections/ 以上装载来源: https://www.cnblogs.com/niewd/p/13328031.html 标签:批量,mysql,mysqladmin,mk,几种,kill,MySQL,processlist,KILL From: https://www.cnblogs.com/xzlive/p/18387680