i have this error with mysql server on a web server with CMS joomla Out of memory: Kill process 1087(mysqld) core 942 or sacrifice child [847.467202] Killed process 1376(mysqld) total-vm:1257492kb, anon-rss:479228kb, file-rss:0kb and the process is consuming higth porcentage of memory and the system are running so slow.