Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id A184363258A for ; Mon, 7 Jun 2010 03:31:22 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 67636-05 for ; Mon, 7 Jun 2010 06:31:15 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from echo917.server4you.de (echo917.server4you.de [85.25.141.73]) by mail.postgresql.org (Postfix) with ESMTP id 8B6866324E7 for ; Mon, 7 Jun 2010 03:31:15 -0300 (ADT) Received: from test.wurger.de (essn-d9bba2d9.pool.mediaWays.net [217.187.162.217]) (authenticated bits=0) by echo917.server4you.de (8.14.2/8.13.6) with ESMTP id o576LhbE032340; Mon, 7 Jun 2010 08:21:44 +0200 Message-ID: <4C0C922F.6010306@longimanus.net> Date: Mon, 07 Jun 2010 08:31:11 +0200 From: Andreas Schmitz Reply-To: mailinglist@longimanus.net User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: RBN CC: pgsql-admin@postgresql.org Subject: Re: Filesystem and PG configuration References: In-Reply-To: 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=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201006/63 X-Sequence-Number: 34841 Hi, pgtune could be the thing you're looking for. http://pgfoundry.org/projects/pgtune/ regards andreas RBN wrote: > > > Can someone suggest some appropriate initial configuration parameters > and shared memory settings for the following hardware? > > I'm running Debian on a Dell with 4x6 core CPU and 128GB memory and > writing to a coraid with 9 x 32GB SSDs RAID 10 using jfs with 8 > drives active and 1 as spare. > > I'm considering changing to xfs. I'm not sure what block size to use > for the file system, is 8192 appropriate? The OS page size is 4096. > > The database is both write and read intensive, with about 750MB of new > data added per week and old deleted every six months to one year. > > >