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Re: observed significant performance improvement using "delaylog" in

To: xfs@xxxxxxxxxxx
Subject: Re: observed significant performance improvement using "delaylog" in
From: Martin Steigerwald <Martin@xxxxxxxxxxxx>
Date: Sat, 14 Aug 2010 13:28:17 +0200
Cc: Steven Pratt <slpratt@xxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>
In-reply-to: <4C65AE4D.6070502@xxxxxxxxxxx>
References: <201008121346.30760.eye.of.the.8eholder@xxxxxxxxx> <20100813141344.GE10429@dastard> <4C65AE4D.6070502@xxxxxxxxxxx> (sfid-20100814_092305_493513_AC7C6900)
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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?

----------  Weitergeleitete Nachricht  ----------

Subject: New performance results
Date: Samstag 24 April 2010
From: Steven Pratt <slpratt@xxxxxxxxxxxxxx>
To: "linux-btrfs" <linux-btrfs@xxxxxxxxxxxxxxx>

Well, it's been a while but been very busy on other things. Thanks to 
Keith Mannthey for helping get some of these runs done.

New raid performance on 2.6.34-rc3:


Also, the long running history graphs are here:




Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

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