Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id 9F6BE2E3180 for ; Wed, 9 Jan 2008 12:14:19 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 16362-03-3 for ; Wed, 9 Jan 2008 12:14:15 -0400 (AST) Received: from skynet.simkin.ca (skynet.simkin.ca [72.51.27.117]) by postgresql.org (Postfix) with ESMTP id B26682E2E85 for ; Wed, 9 Jan 2008 12:14:15 -0400 (AST) Received: from charon.medialogik.com (charon.medialogik.com [72.51.27.114]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by skynet.simkin.ca (Postfix) with ESMTP id 400934C63 for ; Wed, 9 Jan 2008 08:14:14 -0800 (PST) From: Alan Hodgson Organization: Simkin Network Consulting To: pgsql-performance@postgresql.org Subject: Re: big database performance Date: Wed, 9 Jan 2008 08:16:48 -0800 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <4784835A.8070604@careerjunction.co.za> <47848575.8000007@commandprompt.com> <4784C3B5.9060108@careerjunction.co.za> In-Reply-To: <4784C3B5.9060108@careerjunction.co.za> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801090816.48859@hal.medialogik.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200801/42 X-Sequence-Number: 28281 On Wednesday 09 January 2008, Adrian Moisey wrote: > > Also, we're running the db on ext3 with noatime. Should I look at > changing or getting rid of journaling ? No (unless you like really long fsck times). data=writeback is safe with PostgreSQL, though.