From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o85D7YCs115893 for ; Sun, 5 Sep 2010 08:07:34 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id A985B1D81E38 for ; Sun, 5 Sep 2010 06:08:12 -0700 (PDT) Received: from mail.internode.on.net (bld-mail13.adl6.internode.on.net [150.101.137.98]) by cuda.sgi.com with ESMTP id k1ipqJrXWlZU2y9V for ; Sun, 05 Sep 2010 06:08:12 -0700 (PDT) Date: Sun, 5 Sep 2010 23:08:09 +1000 From: Dave Chinner Subject: Re: XFS status update for August 2010 Message-ID: <20100905130809.GI705@dastard> References: <20100902145959.GA27887@infradead.org> <20100905074457.GC16004@1wt.eu> <201009051137.07678@zmi.at> <20100905104739.GC27623@1wt.eu> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20100905104739.GC27623@1wt.eu> 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: Willy Tarreau Cc: Michael Monnerie , xfs@oss.sgi.com On Sun, Sep 05, 2010 at 12:47:39PM +0200, Willy Tarreau wrote: > On Sun, Sep 05, 2010 at 11:37:03AM +0200, Michael Monnerie wrote: > > On Sonntag, 5. September 2010 Willy Tarreau wrote: > > > I've just installed 2.6.35.4 > > > > Try the following mount options: > > relatime,logbufs=8,logbsize=256k,attr2,barrier,largeio,swalloc,delaylog FYI: - relatime,logbufs=8,attr=2,barrier are all defaults. - largeio only affects stat(2) output if you have sunit/swidth set - unlikely on a laptop drive, and has no effect on unlink performance. - swalloc only affects allocation if sunit/swidth are set and has no effect on unlink performance. > Ah thanks for the info Michael, indeed it's a *lot* better: down from 57s > to 1.3s ! - delaylog is the option providing that improvement. You should keep in mind that delaylog is a brand new experimental feature (as it warns in dmesg output on mount) and as such has the potential to eat your data. That being said, I've been running my laptop and my production machines (except for the backup target) for a couple of months now with it and haven't had any problems... Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs