From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o7G13fFJ209340 for ; Sun, 15 Aug 2010 20:03:41 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id A3D744BE6AB for ; Sun, 15 Aug 2010 18:04:08 -0700 (PDT) Received: from mail.internode.on.net (bld-mail19.adl2.internode.on.net [150.101.137.104]) by cuda.sgi.com with ESMTP id ipZuuZWTIECwpgx8 for ; Sun, 15 Aug 2010 18:04:08 -0700 (PDT) Date: Mon, 16 Aug 2010 11:03:01 +1000 From: Dave Chinner Subject: Re: observed significant performance improvement using "delaylog" in Message-ID: <20100816010301.GI10429@dastard> References: <201008121346.30760.eye.of.the.8eholder@gmail.com> <20100813141344.GE10429@dastard> <4C65AE4D.6070502@sandeen.net> <201008141328.18436.Martin@lichtvoll.de> <4C688691.2020100@austin.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4C688691.2020100@austin.ibm.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Steven Pratt Cc: Michael Monnerie , Eric Sandeen , xfs@oss.sgi.com, Christoph Hellwig , Keith Mannthey , Stan Hoeppner On Sun, Aug 15, 2010 at 07:30:09PM -0500, Steven Pratt wrote: > Martin Steigerwald wrote: > >Hi! > > > >Cc'd Steve as I think he is running the benchmarks. > > > >Am Freitag 13 August 2010 schrieb Eric Sandeen: > >>Dave Chinner wrote: > >>>On Fri, Aug 13, 2010 at 08:29:07AM -0400, Christoph Hellwig wrote: > >>... > >> > >>>>And asking > >>>>him/her to add -o delaylog would also be good. > >>>Yes, that would be an interesting comparison... > >>I was thinking the same thing; I'll do that. > > > >I think its Steven Pratt from IBM. > > > >Steve, could you add a case for mount option "-o delaylog" to your > >benchmark runs? > Which filesystem is this for? Keith has been helping me with some > of these runs. We'll see if we can add this. XFS - it's a new mount option for 2.6.35. Gory details in Documentation/filesystems/xfs-delayed-logging-design.txt. Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs