I have done some MySQL benchmarking I've tested versions 5.0 and 5.1 in the Linux (Gentoo) and in the Unix (FreeBSD). The results are shocking (for me, don't know you ;)). Full test specification (hardware, software and so on) will be later, but now just looks at just one chart:

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Date: 2009-09-08 08:56 pm (UTC)no subject
Date: 2009-09-09 07:20 am (UTC)no subject
Date: 2009-09-09 06:24 am (UTC)А сравнить с постгресом?...
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Date: 2009-09-09 07:19 am (UTC)no subject
Date: 2009-09-09 07:20 am (UTC)no subject
Date: 2009-09-09 09:11 pm (UTC)no subject
Date: 2009-09-10 05:06 am (UTC)Кстати, график тестов на запись картину ещё интереснее представляет. FreeBSD выигрывает при увеличении тредов, а вот Линукс падает.
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Date: 2009-09-22 12:23 pm (UTC)no subject
Date: 2009-09-23 07:59 am (UTC)no subject
Date: 2011-08-03 08:33 pm (UTC)хнык
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Date: 2011-08-04 07:04 am (UTC)