【摘要】MySQL缓存命中率,网上说法不一,下面我说下我的看法,大家轻拍: 总的select查询数等于com_select(没命中) + qcache_hits(命中) + 解析错误的查询。 再来看看Com_select变量: mysql> show global status like 'Com_sele阅读全文
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【摘要】转自:http://www.cnblogs.com/susuyu/archive/2013/05/28/3104249.html环境:linux,mysql5.5.21错误:Host is blocked because of many connection errors; unblock with...阅读全文
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