Received: from localhost (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 4D3E1634181 for ; Fri, 10 Apr 2009 15:01:49 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 81503-02 for ; Fri, 10 Apr 2009 15:01:42 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from westnet.com (westnet.com [216.187.52.2]) by mail.postgresql.org (Postfix) with ESMTP id B59806340D9 for ; Fri, 10 Apr 2009 15:01:41 -0300 (ADT) Received: from westnet.com (localhost [127.0.0.1]) by westnet.com (8.14.0/8.14.0) with ESMTP id n3AI1XHt022831; Fri, 10 Apr 2009 14:01:33 -0400 (EDT) Received: from localhost (gsmith@localhost) by westnet.com (8.14.0/8.13.2/Submit) with ESMTP id n3AI1XEa022828; Fri, 10 Apr 2009 14:01:33 -0400 (EDT) X-Authentication-Warning: westnet.com: gsmith owned process doing -bs Date: Fri, 10 Apr 2009 14:01:33 -0400 (EDT) From: Greg Smith X-X-Sender: gsmith@westnet.com To: Scott Carey cc: Josh Berkus , henk de wit , "jesper@krogh.cc" , "pgsql-performance@postgresql.org" Subject: Re: Using IOZone to simulate DB access patterns In-Reply-To: Message-ID: References: User-Agent: Alpine 2.01 (GSO 1184 2008-12-16) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.056 tagged_above=0 required=5 tests=AWL=0.056 X-Spam-Level: X-Archive-Number: 200904/204 X-Sequence-Number: 33571 On Fri, 10 Apr 2009, Scott Carey wrote: > FIO with profiles such as the below samples are easy to set up There are some more sample FIO profiles with results from various filesystems at http://wiki.postgresql.org/wiki/HP_ProLiant_DL380_G5_Tuning_Guide -- * Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD