Received: from localhost (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 27A8964FC1E for ; Mon, 15 Dec 2008 02:56:49 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 76558-07 for ; Mon, 15 Dec 2008 02:56:44 -0400 (AST) X-Greylist: delayed 00:09:40.307133 by SQLgrey-1.7.6 Received: from cjrbaapp02.careerjunction.co.za (cjrbaapp02.careerjunction.co.za [196.34.89.203]) by mail.postgresql.org (Postfix) with ESMTP id 3048564FC08 for ; Mon, 15 Dec 2008 02:56:44 -0400 (AST) Received: from mail.careerjunction.co.za (mail.careerjunction.co.za [196.34.89.198]) by cjrbaapp02.careerjunction.co.za (Postfix) with ESMTP id 1DAF531A03C1 for ; Mon, 15 Dec 2008 08:46:54 +0200 (SAST) Received: from [172.19.44.59] (41.164.240.11) by cj-rba-exch01.careerjunction.local (196.34.89.198) with Microsoft SMTP Server id 8.1.311.2; Mon, 15 Dec 2008 08:46:46 +0200 Message-ID: <4945FD58.8030604@careerjunction.co.za> Date: Mon, 15 Dec 2008 08:46:48 +0200 From: Adrian Moisey User-Agent: Thunderbird 2.0.0.18 (X11/20081125) MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: filesystems benchmark Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200812/154 X-Sequence-Number: 32190 Hi I'm trying to compare different filesystems for postgres using pgbench. The problem I've seen is that my IO wait is very very low. Is there a way I can get pgbench to do more to push that up a little? -- Adrian Moisey Acting Systems Designer | CareerJunction | Your Future Starts Here. Web: www.careerjunction.co.za | Email: adrian@careerjunction.co.za Phone: +27 21 818 8621 | Mobile: +27 82 858 7830 | Fax: +27 21 818 8855