Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 8112C63372D for ; Mon, 10 May 2010 18:20:35 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 12347-02 for ; Mon, 10 May 2010 21:20:27 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from glacier.frostconsultingllc.com (glacier.frostconsultingllc.com [69.36.227.170]) by mail.postgresql.org (Postfix) with ESMTP id A7F4E63370C for ; Mon, 10 May 2010 18:20:28 -0300 (ADT) Received: from dsl081-245-111.sfo1.dsl.speakeasy.net ([64.81.245.111] helo=Sidney-Stratton.local) by glacier.frostconsultingllc.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.69) (envelope-from ) id 1OBaOh-0005jw-EY; Mon, 10 May 2010 14:20:23 -0700 Message-ID: <4BE87892.5060409@agliodbs.com> Date: Mon, 10 May 2010 14:20:18 -0700 From: Josh Berkus User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1b3pre) Gecko/20090223 Thunderbird/3.0b2 MIME-Version: 1.0 To: Kevin Grittner CC: =?UTF-8?B?Q8OpZHJpYyBWaWxsZW1haW4=?= , Bernd Helmle , Andrew Dunstan , pgsql-hackers@postgresql.org Subject: Re: no universally correct setting for fsync References: <4BE3D3930200002500031382@gw.wicourts.gov> <4BE425F7.30804@dunslane.net> <4BE3E205020000250003138F@gw.wicourts.gov> <4BE82D6602000025000314D6@gw.wicourts.gov> In-Reply-To: <4BE82D6602000025000314D6@gw.wicourts.gov> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-5 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201005/484 X-Sequence-Number: 162147 > Wow. In a situation where you save seven minutes (4%), it's hardly > worth turning off. I've had it be much higher, especially for really large databases. -- -- Josh Berkus PostgreSQL Experts Inc. http://www.pgexperts.com