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发布时间:2014-07-03 14:21:09
http://www.mysqlperformanceblog.com/2010/06/15/what-does-handler_read_rnd-mean/MySQL’s SHOW STATUS command has two counters that are often confusing and result in “what does that mean?” questions:Handler_read_rndHandler_read_rnd_nextAs I understand it, there.........【阅读全文】