Can't connect to MySQL server on 'localhost'

MySQL 222.162.194.102|222.162.194.102 08-6-10 18:20 register.php : Duplicate entry 'bobo24' for key 2 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ...  
MySQL 58.60.14.236|58.60.14.236 08-6-10 17:40 viewthread.php : Can't connect to MySQL server on 'localhost' (10048) -   
MySQL 218.23.153.155|218.23.153.155 08-6-10 15:33 register.php : Duplicate entry '56077' for key 1 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ...  
MySQL 125.109.188.246|125.109.188.246 08-6-10 15:14 register.php : Duplicate entry '56075' for key 1 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ...  
MySQL 123.130.50.148|123.130.50.148 08-6-10 15:13 register.php : Duplicate entry '56074' for key 1 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ...  
MySQL 211.144.12.18|211.144.12.18 08-6-10 14:58 register.php : Duplicate entry '56070' for key 1 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ...  
MySQL 218.1.114.50|218.1.114.50 08-6-10 14:56 register.php : Duplicate entry '56069' for key 1 - INSERT INTO cdb_members (uid, username, password, secques, gender, adminid, groupid, regip, regdate, lastvisit, lastacti ..


以上是后台记录，前台频繁出现Can't connect to MySQL server on 'localhost' 。刷新一下又好了。　MYSQL绝对是启动的。磁盘空间有剩余可用空间  my.ini 里的 basedir 参数设置正确，服务器换过也是如此。系统和MYSQL都重装过，IIS和APACHE都试过，数据表全部修复和优化，检验过。还是一样

论坛同时在线700-1000人左右
WIN2003 IIS +MySQL 5.0.51b   php5.2.5  Discuz 6.1.0  服务器是xeon e5320 2G内存

[ 本帖最后由 yiran1979 于 2008-6-10 19:18 编辑 ]

就是说不能够链接到MYSQL服务器 如在负载很大的论坛出现一般是服务器处理能力不够 如果不是这样那就是设置问题了

MYSQL不稳定。

mysql已经重装过啊。机器也换过两台

http://www.xinnethz.net/viewthread.php?tid=546  参考

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