• mysql慢查询诊断


    一、显示全量有哪些线程在运行,可以检查当前数据库的运行状态

    show full processlist

      

    二、按照执行时间降序排序

    SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE COMMAND = 'Query'  order by time desc

    三、找出运行时间超过1秒的process的ID

    SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST  WHERE COMMAND = 'Query' AND TIME > 1;

    执行结果如下:

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  • 原文地址:https://www.cnblogs.com/hd92/p/14950280.html
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