Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 2CC489FB251 for ; Sun, 26 Nov 2006 19:34:05 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-new, port 10024) with ESMTP id 70444-09 for ; Sun, 26 Nov 2006 19:33:59 -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 641209FA6B5 for ; Sun, 26 Nov 2006 19:33:59 -0400 (AST) Received: by noel.decibel.org (Postfix, from userid 1001) id 86A1856459; Sun, 26 Nov 2006 17:33:55 -0600 (CST) Received: (hashcash-sendmail, from uid 1001); Sun, 26 Nov 2006 17:33:48 -0600 Date: Sun, 26 Nov 2006 17:33:48 -0600 From: "Jim C. Nasby" To: Bucky Jordan Cc: jeff@frostconsultingllc.com, "Joshua D. Drake" , Luke Lonergan , pgsql-performance@postgresql.org Subject: Re: availability of SATA vendors Message-ID: <20061126233348.GF39519@nasby.net> References: <78ED28FACE63744386D68D8A9D1CF5D420A0A1@MAIL.corp.lumeta.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <78ED28FACE63744386D68D8A9D1CF5D420A0A1@MAIL.corp.lumeta.com> 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:bjordan@lumeta.com::9hg+dE1H9QWk/OgD:0000000000000000000 0000000000000000000000008bEm X-Hashcash: 1:20:061126:jeff@frostconsultingllc.com::ZT9QzxgTIrFQbZcJ:0000000000 0000000000000000000000003aeQ X-Hashcash: 1:20:061126:jd@commandprompt.com::ylKeWMa82sF0Jmhq:00000000000000000 00000000000000000000000071fG X-Hashcash: 1:20:061126:llonergan@greenplum.com::seULB0t7lj7nxBWq:00000000000000 0000000000000000000000004+ib X-Hashcash: 1:20:061126:pgsql-performance@postgresql.org::Dp6Vu/LYezmVIMlf:00000 000000000000000000000000D44R X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200611/228 X-Sequence-Number: 21998 On Wed, Nov 22, 2006 at 04:35:37PM -0500, Bucky Jordan wrote: > While I'm at it, if I have time I'll run pgbench with pg_log on a > separate RAID1, and one with it on a RAID10x6, but I don't know how > useful those results will be. Very, but only if the controller has write-caching enabled. For testing purposes it won't batter if it's actually got a BBU so long as the write cache works (of course you wouldn't run in production like that...) -- Jim Nasby jim@nasby.net EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)