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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.........