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Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
Posted by: Scott Nemes
Date: January 27, 2013 12:44PM

I'd do a disk speed benchmark on both systems to determine if you see the discrepancy there as well. That will help verify that this is indeed an independent hardware issue and not specific to interaction with MySQL.

Below is an article on using "dd" for a basic write speed test:
http://it.toolbox.com/blogs/database-soup/testing-disk-speed-the-dd-test-31069

--
Scott Nemes
MySQL DBA

http://www.linkedin.com/in/scottnemes
http://www.twitter.com/ScottNemes



Edited 1 time(s). Last edit at 01/27/2013 12:44PM by Scott Nemes.

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5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 23, 2013 06:44PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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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)
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Scott Nemes
January 24, 2013 01:41PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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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)
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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)
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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)
2305
Scott Nemes
January 26, 2013 02:25PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
January 26, 2013 03:36PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2206
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)
2242
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)
2007
Ben Wallach
January 27, 2013 03:40PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2159
Ben Wallach
January 28, 2013 11:13AM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
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Ben Wallach
February 01, 2013 03:35PM
Re: 5.1 to 5.5 upgrade causes significant write slowdown (MyISAM + indexes)
2254
Scott Nemes
February 01, 2013 03:37PM


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