If you are in doubt that some really slow queries are taking place on your server and they put you on too much load, then use this change in the configuration file to enable logging of slow queries: The config files usually is /etc/mysql/my.cnf. Uncomment these: slow-query-log = 1 slow-query-log-file = /var/log/mysql/mysql-slow.log long_query_time = 1 […]