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Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
Posted by: Scott Nemes
Date: January 24, 2013 01:41PM

Looks like you did the recommended upgrade path, so that is good.

My next thought would be concurrent inserts since it is MyISAM. Try setting running "set global concurrent_insert = 2" and then testing insert speed.

On a side note, have you noticed any increase I/O since the upgrade?

--
Scott Nemes
MySQL DBA

http://www.linkedin.com/in/scottnemes
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Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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