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Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
Posted by: Scott Nemes
Date: January 26, 2013 02:25PM

Great information Rick!

I definitely recommend RAID-10 when possible for write speed and redundancy. In this case, it looks like he was using RAID-1 before and after, which still leads me to believe that either the new drives are a slower speed / faulty and/or the raid controller is slower / faulty.

Either way, I'll be very interested to see what the final answer is, so keep us updated Ben!

--
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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