Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id C676E63251C for ; Mon, 26 Jul 2010 16:45:24 -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 09761-04 for ; Mon, 26 Jul 2010 19:45:17 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.17.10]) by mail.postgresql.org (Postfix) with ESMTP id 81B20633407 for ; Mon, 26 Jul 2010 16:45:17 -0300 (ADT) Received: from [192.168.1.5] (static-71-179-240-8.bltmmd.fios.verizon.net [71.179.240.8]) by mrelayeu.kundenserver.de (node=mrbap0) with ESMTP (Nemesis) id 0LyBCX-1P6fcc2VEb-015NYv; Mon, 26 Jul 2010 21:45:16 +0200 Message-ID: <4C4DE5C9.8090004@2ndquadrant.com> Date: Mon, 26 Jul 2010 15:45:13 -0400 From: Greg Smith User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: Yeb Havinga CC: pgsql-performance@postgresql.org Subject: Re: Testing Sandforce SSD References: <4C4A9452.9070100@gmail.com> <4C4B1F84.5030306@2ndquadrant.com> <4C4C83DF.3010703@gmail.com> <4C4C8CCC.7080406@gmail.com> <4C4D6396.5020707@gmail.com> <4C4DAAE8.3060501@2ndquadrant.com> <4C4DE50B.1060102@gmail.com> In-Reply-To: <4C4DE50B.1060102@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:+uK7aJcbxpXqUEw7Hoo4XSvdWQObhf2ViRfk+Fb/NCa yt/WobWIPjqHbe7guRl9JDW4Z/2Xu3TUD4KcdoeSF1r7NOWMlA IrnEYE2zQJyjyESb3dFoklMUq1SlIPomgHqkjwoBiwkjqYn1xQ l5Df7k7Nc/yfHCmsrhO+hxNNpkb4K7XO8UuovFIOUz3gmoIC5q Kiz7Si9FBq7mw7lySUURR+ei9TIn/tgaV8Ql5GVq64= 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, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201007/389 X-Sequence-Number: 39778 Yeb Havinga wrote: > I did some ext3,ext4,xfs,jfs and also ext2 tests on the just-in-memory > read/write test. (scale 300) No real winners or losers, though ext2 > isn't really faster and the manual need for fix (y) during boot makes > it impractical in its standard configuration. That's what happens every time I try it too. The theoretical benefits of ext2 for hosting PostgreSQL just don't translate into significant performance increases on database oriented tests, certainly not ones that would justify the downside of having fsck issues come back again. Glad to see that holds true on this hardware too. -- Greg Smith 2ndQuadrant US Baltimore, MD PostgreSQL Training, Services and Support greg@2ndQuadrant.com www.2ndQuadrant.us