From: Christoph Hellwig <hch@infradead.org>
To: Michael Monnerie <michael.monnerie@is.it-management.at>
Cc: Stan Hoeppner <stan@hardwarefreak.com>, xfs@oss.sgi.com
Subject: Re: observed significant performance improvement using "delaylog" in
Date: Fri, 13 Aug 2010 08:29:07 -0400 [thread overview]
Message-ID: <20100813122907.GA14650@infradead.org> (raw)
In-Reply-To: <201008131235.45050@zmi.at>
On Fri, Aug 13, 2010 at 12:35:44PM +0200, Michael Monnerie wrote:
> On Freitag, 13. August 2010 Stan Hoeppner wrote:
> > Some benchmark results maybe worth a look:
> > http://btrfs.boxacle.net/repository/raid/2.6.35-rc5/2.6.35-rc5/
>
> Thanks - it would have been great to see xfs with delaylog in that
> comparison, but the graphs are very very nice.
>
> XFS seems performing better the more threads there are, just in "large
> file random reads" it's the slowest - why this?
Any idea who is doing these runs? Once we figure out what that large
file random reads loads is I'm sure we could fix it soon. And asking
him/her to add -o delaylog would also be good.
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next prev parent reply other threads:[~2010-08-13 12:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-12 10:46 observed significant performance improvement using "delaylog" in Khelben Blackstaff
2010-08-12 19:05 ` Michael Monnerie
2010-08-12 21:46 ` Peter Niemayer
2010-08-13 9:56 ` Stan Hoeppner
2010-08-13 10:35 ` Michael Monnerie
2010-08-13 12:29 ` Christoph Hellwig [this message]
2010-08-13 14:13 ` Dave Chinner
2010-08-13 20:42 ` Eric Sandeen
2010-08-14 11:28 ` Martin Steigerwald
2010-08-16 0:30 ` Steven Pratt
2010-08-16 1:03 ` Dave Chinner
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