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Re: observed significant performance improvement using "delaylog" in

To: Martin Steigerwald <Martin@xxxxxxxxxxxx>
Subject: Re: observed significant performance improvement using "delaylog" in
From: Steven Pratt <slpratt@xxxxxxxxxxxxxx>
Date: Sun, 15 Aug 2010 19:30:09 -0500
Cc: xfs@xxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, Keith Mannthey <kmannth@xxxxxxxxxx>
In-reply-to: <201008141328.18436.Martin@xxxxxxxxxxxx>
References: <201008121346.30760.eye.of.the.8eholder@xxxxxxxxx> <20100813141344.GE10429@dastard> <4C65AE4D.6070502@xxxxxxxxxxx> (sfid-20100814_092305_493513_AC7C6900) <201008141328.18436.Martin@xxxxxxxxxxxx>
User-agent: Thunderbird (X11/20100411)
Martin Steigerwald wrote:

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?
Which filesystem is this for? Keith has been helping me with some of these runs. We'll see if we can add this.


----------  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:





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