For example, at t1, A holds the lock, and B waits for the lock. At t2, the network between A and MySQL is abnormal. MySQL actively releases the lock imposed by A.And B adds the lock. At this time, A ...

Cannot execute standard MySQL 5.7 database dump script in PMA because of it contains LOCK/UNLOCK TABLES statements. A. PMA hangs. B. MySQL server eats about 50% CPU. C. If you try close PMA and open ...

This article was contributed by Edwin Sanchez who is a brand ambassador of Devart, software developer and project manager. There is this one problem that’s killing your MySQL database performance.