[求救]如何优化MYSQL???

各位高人,我的DISCUZ网站最近奇慢.......服务器公司说我的MYSQL需要优化...

各位高人:可否教我如何优化MYSQL???

万分感激。。。。。。。

There seems to have been a problem with the database of your Discuz! Board

Discuz! info: Can not connect to MySQL server

Time: 2007-4-19 11:56am
Script: /viewthread.php

Error:  Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
Errno.:  2002

Please check-up your MySQL server and forum scripts, similar errors will not be reported again in recent 24 hours
If you have troubles in solving this problem, please visit Discuz! Community http://www.Discuz.net.

can I use this repair.php fix my problem???

请问各位老师:

什么叫做:服务器端口不对，请咨询空间商正确的端口。

服务器端口的英文是什么?