Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id B5F789FBE21 for ; Tue, 8 May 2007 20:10:00 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 74498-03 for ; Tue, 8 May 2007 20:09:57 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from cassarossa.samfundet.no (cassarossa.samfundet.no [129.241.93.19]) by postgresql.org (Postfix) with ESMTP id 6806E9FBD91 for ; Tue, 8 May 2007 20:09:57 -0300 (ADT) Received: from trofast.sesse.net ([129.241.93.32]) by cassarossa.samfundet.no with esmtp (Exim 4.50) id 1HlYod-0000yu-2S; Wed, 09 May 2007 01:09:55 +0200 Received: from sesse by trofast.sesse.net with local (Exim 3.36 #1 (Debian)) id 1HlYod-0002Qj-00; Wed, 09 May 2007 01:09:55 +0200 Date: Wed, 9 May 2007 01:09:55 +0200 From: "Steinar H. Gunderson" To: Daniel Griscom Cc: pgsql-performance@postgresql.org Subject: Re: Throttling PostgreSQL's CPU usage Message-ID: <20070508230955.GA9315@uio.no> Mail-Followup-To: Daniel Griscom , pgsql-performance@postgresql.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 2.6.20.4 on a x86_64 X-Message-Flag: Outlook? --> http://www.mozilla.org/products/thunderbird/ User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/154 X-Sequence-Number: 24544 On Tue, May 08, 2007 at 07:03:17PM -0400, Daniel Griscom wrote: > I'm only running one query at a time; would that query be guaranteed to > confine itself to a single processor/core? Yes; at least it won't be using two at a time. (Postgres can't guarantee that Windows won't move it to another core, of course.) /* Steinar */ -- Homepage: http://www.sesse.net/