Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 790AF9FA6B5 for ; Sun, 26 Nov 2006 19:31:15 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-new, port 10024) with ESMTP id 18164-02 for ; Sun, 26 Nov 2006 19:31:00 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from noel.decibel.org (noel.decibel.org [67.100.216.10]) by postgresql.org (Postfix) with ESMTP id B59539FA2E0 for ; Sun, 26 Nov 2006 19:31:07 -0400 (AST) Received: by noel.decibel.org (Postfix, from userid 1001) id 68DCF56408; Sun, 26 Nov 2006 17:31:02 -0600 (CST) Received: (hashcash-sendmail, from uid 1001); Sun, 26 Nov 2006 17:30:56 -0600 Date: Sun, 26 Nov 2006 17:30:56 -0600 From: "Jim C. Nasby" To: Jeff Frost Cc: "Joshua D. Drake" , Bucky Jordan , Luke Lonergan , pgsql-performance@postgresql.org Subject: Re: availability of SATA vendors Message-ID: <20061126233055.GE39519@nasby.net> References: <78ED28FACE63744386D68D8A9D1CF5D420A080@MAIL.corp.lumeta.com> <1164214816.2868.18.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: FreeBSD 6.1-RELEASE-p10 amd64 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.13 (2006-08-11) X-Hashcash: 1:20:061126:jeff@frostconsultingllc.com::MNliEF0qf68j1pn4:0000000000 0000000000000000000000002Saw X-Hashcash: 1:20:061126:jd@commandprompt.com::TEzI8UliO+pFM7GB:00000000000000000 0000000000000000000000007oJq X-Hashcash: 1:20:061126:bjordan@lumeta.com::X0mrK25/EkBtlLQw:0000000000000000000 0000000000000000000000007Mng X-Hashcash: 1:20:061126:llonergan@greenplum.com::NkRA/KJQapYZsMK4:00000000000000 0000000000000000000000007nHY X-Hashcash: 1:20:061126:pgsql-performance@postgresql.org::ce00uS27HcdybYWE:00000 00000000000000000000000020Nq X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200611/227 X-Sequence-Number: 21997 On Wed, Nov 22, 2006 at 09:02:04AM -0800, Jeff Frost wrote: > A valid question. Does the caching raid controller negate the desire to > separate pg_xlog from PGDATA? Theoretically, yes. But I don't think I've seen any hard numbers from testing. -- Jim Nasby jim@nasby.net EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)