From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Torcz Subject: Re: yum upgrade on btrfs very slow Date: Wed, 21 Oct 2009 11:27:33 +0200 Message-ID: <20091021092733.GD23138@mother.pipebreaker.pl> References: <20090928121827.GA15930@mother.pipebreaker.pl> <20090928133543.GB6405@think> <20090929061822.GB15930@mother.pipebreaker.pl> <20090929132538.GN6405@think> <20090930194350.GA29166@mother.pipebreaker.pl> <20091001090146.GA14522@mother.pipebreaker.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <20091001090146.GA14522@mother.pipebreaker.pl> List-ID: On Thu, Oct 01, 2009 at 11:01:46AM +0200, Tomasz Torcz wrote: > On Wed, Sep 30, 2009 at 09:43:51PM +0200, Tomasz Torcz wrote: > > > > > > If you're comparing w/ext3 and wondering why btrfs is sooooooo much > > > slower it might be because btrfs has barriers on by default and ext3 > > > doesn't. You could mount -o nobarrier for btrfs or mount -o barrier=1 > > > for ext3 for a proper comparison. Last update: things got noticably faster with 2.6.31.4-88.fc12.x86_64, which contains backport of latest mainline btrfs (thank you, Josef!). No more comlains from me (for now ;). -- Tomasz Torcz Morality must always be based on practicality. xmpp: zdzichubg@chrome.pl -- Baron Vladimir Harkonnen