Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id D3FFE1337B55 for ; Mon, 11 Oct 2010 15:59:37 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 34517-04 for ; Mon, 11 Oct 2010 18:59:30 +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 E8029133655C for ; Mon, 11 Oct 2010 15:59:29 -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 1P5Nai-00007S-OD; Mon, 11 Oct 2010 11:59:29 -0700 Message-ID: <4CB35E88.4040303@agliodbs.com> Date: Mon, 11 Oct 2010 11:59:20 -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: "Joshua D. Drake" CC: pgsql-performance@postgresql.org Subject: Re: XFS vs Ext3, and schedulers, for WAL References: <4CAD0214.50304@agliodbs.com> <4CB34E50.3080201@agliodbs.com> <1286820383.25541.45.camel@jd-desktop> In-Reply-To: <1286820383.25541.45.camel@jd-desktop> 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=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201010/115 X-Sequence-Number: 40534 > http://www.commandprompt.com/blogs/joshua_drake/2008/04/is_that_performance_i_smell_ext2_vs_ext3_on_50_spindles_testing_for_postgresql/ > > It doesn't cover XFS but it provides a decent and simple comparison on > ext2/ext3 etc... Yeah, it doesn't test actual log writing, though. Nor specific settings even for those two filesystems. So it's still a mystery ... -- -- Josh Berkus PostgreSQL Experts Inc. http://www.pgexperts.com