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mysql: Too many connections

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最近,服务器上经常出现MYSQL占用CPU100%的情况,导致和mysql有关的应用都死翘翘,估计和论坛有关系。
首先,修改了/etc/mysql/my.cnf,增大了并发数,把max_connections从100增大到500。
然后限制了论坛上的搜索设定,设定词频为40%,原来为90%。
还希望能限制搜索引擎的拜访次数,不过没有在phpbb3的后台里找到。

参考:

http://dev.mysql.com/doc/refman/5.0/en/too-many-connections.html


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