Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 9C30F632D31 for ; Fri, 4 Jun 2010 15:49:15 -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 32821-04 for ; Fri, 4 Jun 2010 18:49:07 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mtu.net (mtu.net [204.11.35.17]) by mail.postgresql.org (Postfix) with ESMTP id 6A2436323D1 for ; Fri, 4 Jun 2010 15:49:08 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by mtu.net (Postfix) with ESMTP id B31C1143E517; Fri, 4 Jun 2010 14:49:07 -0400 (EDT) X-Virus-Scanned: Debian amavisd-new at mtu.net Received: from mtu.net ([127.0.0.1]) by localhost (mtu.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jYQ+GklkvmUH; Fri, 4 Jun 2010 14:49:06 -0400 (EDT) Received: from min-dhcp33-251-158.bbn.com (75-149-146-105-Minnesota.hfc.comcastbusiness.net [75.149.146.105]) (Authenticated sender: jpschewe) by mtu.net (Postfix) with ESMTPSA id 1EF4E143E516; Fri, 4 Jun 2010 14:49:06 -0400 (EDT) Message-ID: <4C094AA1.9030806@mtu.net> Date: Fri, 04 Jun 2010 13:49:05 -0500 From: Jon Schewe User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.9) Gecko/20100317 Lightning/1.0b1 Thunderbird/3.0.4 MIME-Version: 1.0 To: Andres Freund , pgsql-performance@postgresql.org Subject: Re: How filesystems matter with PostgreSQL References: <4C08EEDF.7090403@mtu.net> <201006041633.23343.andres@anarazel.de> <4C094553.7040000@mtu.net> <201006042047.00025.andres@anarazel.de> In-Reply-To: <201006042047.00025.andres@anarazel.de> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.79 tagged_above=-10 required=5 tests=BAYES_50=0.8, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201006/106 X-Sequence-Number: 38962 On 6/4/10 1:46 PM, Andres Freund wrote: > On Friday 04 June 2010 20:26:27 Jon Schewe wrote: > >> ext3 barrier=1: ~15 minutes >> ext4 nobarrier: ~15 minutes >> > Any message in the kernel log about barriers or similar? > > No. -- Jon Schewe | http://mtu.net/~jpschewe If you see an attachment named signature.asc, this is my digital signature. See http://www.gnupg.org for more information.