From: Chris Mason <chris.mason@oracle.com>
To: Tomasz Torcz <tomek@pipebreaker.pl>, linux-btrfs@vger.kernel.org
Subject: Re: yum upgrade on btrfs very slow
Date: Mon, 26 Oct 2009 17:55:45 +0900 [thread overview]
Message-ID: <20091026085545.GA5564@think> (raw)
In-Reply-To: <20091021092733.GD23138@mother.pipebreaker.pl>
On Wed, Oct 21, 2009 at 11:27:33AM +0200, Tomasz Torcz wrote:
> 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 ;).
Fantastic. Are you running with or without barriers now?
-chris
next prev parent reply other threads:[~2009-10-26 8:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-28 12:18 yum upgrade on btrfs very slow Tomasz Torcz
2009-09-28 13:35 ` Chris Mason
2009-09-29 6:18 ` Tomasz Torcz
2009-09-29 13:25 ` Chris Mason
2009-09-30 19:43 ` Tomasz Torcz
2009-10-01 9:01 ` Tomasz Torcz
2009-10-21 9:27 ` Tomasz Torcz
2009-10-26 8:55 ` Chris Mason [this message]
2009-10-26 13:35 ` Tomasz Torcz
2009-10-01 9:04 ` Jens Axboe
2009-10-05 12:09 ` Ric Wheeler
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