Online mysql database (Lord), once every 20 minutes card, in SQL execution, overtime request concurrent volume is small, check for several days, didn't find out what the reason, which a great god to provide some thoughts


The database version, 5.7.27

CodePudding user response:

Do slow log? Monitor log slow first if not, then analysis,

CodePudding user response:

Log is slower, but did not find the problem

CodePudding user response:

A slow SQL out to say again,

CodePudding user response:

In addition, check your Mysql event, isn't it time for 20 minutes in larger timing task execution?