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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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5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
5073
Ben Wallach
January 23, 2013 06:44PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2332
Scott Nemes
January 24, 2013 10:59AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 24, 2013 12:16PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2075
Scott Nemes
January 24, 2013 01:41PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 24, 2013 02:29PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Scott Nemes
January 24, 2013 03:14PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 24, 2013 03:36PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2798
Scott Nemes
January 24, 2013 03:44PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 25, 2013 09:28AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Scott Nemes
January 25, 2013 09:51AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Rick James
January 26, 2013 12:40AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2227
Ben Wallach
January 26, 2013 09:57AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Rick James
January 26, 2013 01:35PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2439
Scott Nemes
January 26, 2013 02:25PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2460
Ben Wallach
January 26, 2013 03:36PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2357
Rick James
January 26, 2013 06:02PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 26, 2013 07:18PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Rick James
January 26, 2013 09:33PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 27, 2013 11:01AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Scott Nemes
January 27, 2013 12:44PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 27, 2013 03:40PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2304
Ben Wallach
January 28, 2013 11:13AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2006
Ben Wallach
February 01, 2013 03:35PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2404
Scott Nemes
February 01, 2013 03:37PM


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