X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id C84CE9F9F3D for ; Fri, 15 Sep 2006 00:48:44 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 76073-05 for ; Fri, 15 Sep 2006 00:48:05 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from lists.commandprompt.com (host-130.commandprompt.net [207.173.203.130]) by postgresql.org (Postfix) with ESMTP id BC82A9FB1DE for ; Fri, 15 Sep 2006 00:48:02 -0300 (ADT) Received: from [192.168.1.50] (or-67-76-146-141.sta.embarqhsd.net [67.76.146.141]) (authenticated bits=0) by lists.commandprompt.com (8.13.7/8.13.6) with ESMTP id k8F3lxX9019803 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 14 Sep 2006 20:48:03 -0700 Message-ID: <450A226B.6050405@commandprompt.com> Date: Thu, 14 Sep 2006 20:47:55 -0700 From: "Joshua D. Drake" Organization: Command Prompt, Inc. User-Agent: Thunderbird 1.5.0.5 (X11/20060728) MIME-Version: 1.0 To: Luke Lonergan CC: "Craig A. James" , pgsql-performance@postgresql.org Subject: Re: RAID 0 not as fast as expected References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV version 0.88.3, clamav-milter version 0.88.3 on projects.commandprompt.com X-Virus-Status: Clean X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (lists.commandprompt.com [192.168.2.159]); Thu, 14 Sep 2006 20:48:03 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=2.103 tagged_above=0 required=5 tests=AWL, FORGED_RCVD_HELO, SPF_HELO_SOFTFAIL, SPF_SOFTFAIL X-Spam-Level: ** X-Archive-Number: 200609/197 X-Sequence-Number: 20883 Luke Lonergan wrote: > Josh, > > On 9/14/06 11:49 AM, "Joshua D. Drake" wrote: > >> I am assuming linux here, Linux software raid 0 is known not to be super >> duper. > > I've obtained 1,950 MB/s using Linux software RAID on SATA drives. With what? :) > > - Luke > > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/