Re: Linux v.s. Mac OS-X Performance - Mailing list pgsql-general

From Magnus Hagander
Subject Re: Linux v.s. Mac OS-X Performance
Date
Msg-id 20071128072246.GA26059@svr2.hagander.net
Whole thread Raw
In response to Re: Linux v.s. Mac OS-X Performance  (Scott Ribe <scott_ribe@killerbytes.com>)
Responses Re: Linux v.s. Mac OS-X Performance  (Scott Ribe <scott_ribe@killerbytes.com>)
List pgsql-general
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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