A blog for MySQL database administrators. 


SLEEP thread causing "Waiting for table metadata lock"

MySQL Memory Calculator

errno: 24 - Too many open files

How to properly shutdown MySQL before any maintenance activity

How to create CentOS VM using Vagrant

ERROR 1040 (HY000): Too many connections

set --server-id to enable either a master or a slave

GTID Replication (Skip Transaction using empty transaction)

Master has purged binary logs containing GTIDs that the slave requires

How to Prepare for MySQL Certification Exam