From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266552AbUGKK1r (ORCPT ); Sun, 11 Jul 2004 06:27:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266553AbUGKK1r (ORCPT ); Sun, 11 Jul 2004 06:27:47 -0400 Received: from outpost.ds9a.nl ([213.244.168.210]:36323 "EHLO outpost.ds9a.nl") by vger.kernel.org with ESMTP id S266552AbUGKK1o (ORCPT ); Sun, 11 Jul 2004 06:27:44 -0400 Date: Sun, 11 Jul 2004 12:27:43 +0200 From: bert hubert To: Andrew Morton Cc: albertogli@telpin.com.ar, linux-kernel@vger.kernel.org Subject: Re: Syncing a file's metadata in a portable way Message-ID: <20040711102743.GB16199@outpost.ds9a.nl> Mail-Followup-To: bert hubert , Andrew Morton , albertogli@telpin.com.ar, linux-kernel@vger.kernel.org References: <20040709030637.GB5858@telpin.com.ar> <20040709023948.59497dca.akpm@osdl.org> <20040710115404.GA11420@outpost.ds9a.nl> <20040710131459.13ffec23.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040710131459.13ffec23.akpm@osdl.org> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 10, 2004 at 01:14:59PM -0700, Andrew Morton wrote: > If only the one file has been written to, an fsync on ext3 shouldn't > produce any more writeout than an fsync on ext2. (...) > Either that, or SQLite is broken. I'll show strace and vmstat tomorrow - I found very little writes, no mmap, some fsync and massive writeouts. On ext2, performance was two orders of magnitude better. Bert -- http://www.PowerDNS.com Open source, database driven DNS Software http://lartc.org Linux Advanced Routing & Traffic Control HOWTO