Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 329669F9E89 for ; Wed, 5 Sep 2007 19:55:18 -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 35260-10 for ; Wed, 5 Sep 2007 19:55:15 -0300 (ADT) X-Greylist: delayed 00:13:17.798131 by SQLgrey-1.7.5 Received: from pat.uio.no (pat.uio.no [129.240.10.15]) by postgresql.org (Postfix) with ESMTP id 447059F9F22 for ; Wed, 5 Sep 2007 19:55:15 -0300 (ADT) Received: from mail-mx9.uio.no ([129.240.10.39]) by pat.uio.no with esmtp (Exim 4.67) (envelope-from ) id 1IT3ZM-0007ee-1Z for pgsql-performance@postgresql.org; Thu, 06 Sep 2007 00:41:56 +0200 Received: from smtp.uio.no ([129.240.10.9] helo=mail-mx9.uio.no) by mail-mx9.uio.no with esmtp (Exim 4.67) (envelope-from ) id 1IT3ZL-0006dO-QL for pgsql-performance@postgresql.org; Thu, 06 Sep 2007 00:41:55 +0200 Received: from 113.80-203-240.nextgentel.com ([80.203.240.113] helo=[10.0.0.128]) by mail-mx9.uio.no with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1IT3ZL-0006dJ-Kn for pgsql-performance@postgresql.org; Thu, 06 Sep 2007 00:41:55 +0200 Message-ID: <46DF3082.7040301@ifi.uio.no> Date: Thu, 06 Sep 2007 00:41:06 +0200 From: Thomas Finneid User-Agent: Thunderbird 1.5.0.13 (X11/20070824) MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: utilising multi-cpu/core machines? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-UiO-SPF-Received: X-UiO-Resend: resent X-UiO-SPF-Received: X-UiO-Spam-info: not spam, SpamAssassin (score=0.0, required=12.0, autolearn=disabled, AWL=0.040) X-UiO-Scanned: 714CD5683F6136DB7A1E5421F664AE9C8FAEF9EC X-UiO-SPAM-Test: remote_host: 129.240.10.9 spam_score: 0 maxlevel 200 minaction 2 bait 0 mail/h: 284 total 3694645 max/h 8345 blacklist 0 greylist 0 ratelimit 0 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200709/65 X-Sequence-Number: 26610 Hi I couldnt find any specifics on this subject in the documentation, so I thought I'd ask the group. how does pg utilise multi cpus/cores, i.e. does it use more than one core? and possibly, how, are there any documentation about this. thomas