Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id AB8B26328D4 for ; Wed, 2 Jun 2010 00:26:48 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 97030-07 for ; Wed, 2 Jun 2010 03:26:41 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 2AE13634265 for ; Wed, 2 Jun 2010 00:26:41 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o523QaVR014605; Tue, 1 Jun 2010 23:26:37 -0400 (EDT) To: Mark Kirkwood cc: pgsql-performance@postgresql.org Subject: Re: File system choice for Red Hat systems In-reply-to: <4C05CABC.3020905@catalyst.net.nz> References: <4C05CABC.3020905@catalyst.net.nz> Comments: In-reply-to Mark Kirkwood message dated "Wed, 02 Jun 2010 15:06:36 +1200" Date: Tue, 01 Jun 2010 23:26:36 -0400 Message-ID: <14604.1275449196@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201006/13 X-Sequence-Number: 38869 Mark Kirkwood writes: > I'm helping set up a Red Hat 5.5 system for Postgres. I was going to > recommend xfs for the filesystem - however it seems that xfs is > supported as a technology preview "layered product" for 5.5. This > apparently means that the xfs tools are only available via special > channels. It also means that it's probably not production grade, anyway. > What are Red Hat using people choosing for a good performing filesystem? What's your time horizon? RHEL6 will have full support for xfs. On RHEL5 I really wouldn't consider anything except ext3. regards, tom lane