you can see which queries may be the cause and get detailed metrics for them。这是一个慢查询日...
本文介绍了MySQL慢日志的作用、设置方法、查看方法以及相关的分析工具。慢日志是MySQL性能调优和诊断的重要工具，用于记录在MySQL中响应时间超过阈值的SQL语句。通过设置slow_query_log和long_query_time参数可以开启慢日志。使用mysqldumpslow、pt-query-digest等工具可以对慢日志进行分析。
December 08, 2011 03:46AM Re: Query time of over 8 secs while rows_sent: 1 and rows_examined: 2? 1506 Matthew Montgomery December 11, 2011 11:20PM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright...
December 08, 2011 03:46AM Re: Query time of over 8 secs while rows_sent: 1 and rows_examined: 2? 1508 Matthew Montgomery December 11, 2011 11:20PM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright...