Re: Linux v.s. Mac OS-X Performance

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От Magnus Hagander
Тема Re: Linux v.s. Mac OS-X Performance
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Msg-id 20071128072246.GA26059@svr2.hagander.net
обсуждение исходный текст
Ответ на Re: Linux v.s. Mac OS-X Performance  (Scott Ribe <scott_ribe@killerbytes.com>)
Ответы Re: Linux v.s. Mac OS-X Performance
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On Tue, Nov 27, 2007 at 05:01:06PM -0700, Scott Ribe wrote:
> > In general, you can expect any Unix based OS, which includes MacOS X, to
> > perform noticeably better than Windows for PostgreSQL.
>
> Is that really true of BSD UNIXen??? I've certainly heard it's true of
> Linux. But with BSD you have the "kernel funnel" which can severely limit
> multitasking, regardless of whether threads or processes were used.

Yes, very much so. Windows lacks the fork() concept, which is what makes
PostgreSQL much slower there.

//Magnus

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