X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 9FA7B9FB311 for ; Tue, 15 Aug 2006 19:23:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 33692-02 for ; Tue, 15 Aug 2006 19:23:26 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from cassarossa.samfundet.no (cassarossa.samfundet.no [129.241.93.19]) by postgresql.org (Postfix) with ESMTP id E67C29FB2E6 for ; Tue, 15 Aug 2006 19:23:27 -0300 (ADT) Received: from trofast.sesse.net ([129.241.93.32]) by cassarossa.samfundet.no with esmtp (Exim 4.50) id 1GD7Jj-00057G-Uu for pgsql-performance@postgresql.org; Wed, 16 Aug 2006 00:23:24 +0200 Received: from sesse by trofast.sesse.net with local (Exim 3.36 #1 (Debian)) id 1GD7Jj-0004kF-00 for ; Wed, 16 Aug 2006 00:23:23 +0200 Date: Wed, 16 Aug 2006 00:23:23 +0200 From: "Steinar H. Gunderson" To: pgsql-performance@postgresql.org Subject: Re: Postgresql Performance on an HP DL385 and Message-ID: <20060815222323.GA18180@uio.no> Mail-Followup-To: pgsql-performance@postgresql.org References: <20060814170545.GG27928@pervasive.com> <20060814170902.GN2900@mathom.us> <20060815162926.GS27928@pervasive.com> <20060815172645.GU2900@mathom.us> <20060815183327.GC12834@mark.mielke.cc> <20060815190254.GW2900@mathom.us> <20060815193951.GA13695@mark.mielke.cc> <20060815205857.GY2900@mathom.us> <20060815213842.GA15210@mark.mielke.cc> <20060815222024.GV21363@pervasive.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20060815222024.GV21363@pervasive.com> X-Operating-System: Linux 2.6.16trofastxen on a x86_64 X-Message-Flag: Outlook? --> http://www.mozilla.org/products/thunderbird/ User-Agent: Mutt/1.5.12-2006-07-14 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.1 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200608/256 X-Sequence-Number: 20441 On Tue, Aug 15, 2006 at 05:20:25PM -0500, Jim C. Nasby wrote: > This is only valid if the pre-allocation is also fsync'd *and* fsync > ensures that both the metadata and file data are on disk. Anyone > actually checked that? :) fsync() does that, yes. fdatasync() (if it exists), OTOH, doesn't sync the metadata. /* Steinar */ -- Homepage: http://www.sesse.net/