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

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Scott Ribe <scott_ribe(at)killerbytes(dot)com>
Cc: Wolfgang Keller <wolfgang(dot)keller(dot)privat(at)gmx(dot)de>, pgsql general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Linux v.s. Mac OS-X Performance
Date: 2007-11-28 07:22:46
Message-ID: 20071128072246.GA26059@svr2.hagander.net
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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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