To assist MySQL troubleshooting, you can enable InnoDB monitor output. InnoDB monitor output begin with a header containing timestamp, as shown below. =====================================2014-10-16 18:37:29 0x7fc2a95c1700 INNODB MONITOR OUTPUT===================================== Following an example InnoDB monitor output. It has many data to examine your troubleshooting needs. =====================================2019-07-09 17:07:17 0x7fefc9c2c700 INNODB MONITOR OUTPUT=====================================Per second …