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mysql分组提交和实时fsync_MySQL

WBOY
WBOY原创
2016-06-01 13:54:031135浏览

  Group commit and real fsync

  分组提交和实时fsync

  During the recent months I’ve seen few cases of customers upgrading to MySQL 5.0 and having serious performance slow downs, up to 10 times in certain cases. What was the most surprising for them is the problem was hardware and even OS specific - it could show up with one OS version but not in the other. Even more interesting performance may be dramatically affected by

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