[Fwd: Benchmarking data from a raid machine 2.6.34-rc3]

[Fwd: Benchmarking data from a raid machine 2.6.34-rc3]

[Eric Sandeen]

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FYI...

I asked Keith if he could do xfs nobarrier runs as well.

If there are ext4 nobarrier runs "winning" it seems only fair.  :)

-Eric

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From: Keith Mannthey <kmannth@us.ibm.com>
To: "linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>
Subject: Benchmarking data from a raid machine 2.6.34-rc3
Date: Fri, 23 Apr 2010 17:06:18 -0700
Message-ID: <1272067578.9664.40.camel@keith-laptop>

At long last here is a good data set for filesystem comparison.  It is
from 2.6.34-rc3 (unpatched). It compares ext3 ext4 ext4-nobarrier,
btrfs, btrfs-nocow, xfs and jfs on a software raid setup with a decent
spindle count. 

http://btrfs.boxacle.net/repository/raid/2010-04-14_2004/2.6.34-rc3/2.6.34-rc3.html


As we know touring barriers off helps a lot with ext4 on this machine.
I think Steve Pratt send some notification to the btrfs folks. Feel free
to point others at this data.


A history from this setup can be found here:  (mostly btrfs related
data)

http://btrfs.boxacle.net/repository/raid/history/History.html


I hope to be do these large data set runs once in every major kernel
revision life cycle. 

Thanks,
  Keith Mannthey
  LTC FS-Dev 


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Re: [Fwd: Benchmarking data from a raid machine 2.6.34-rc3]

[Stan Hoeppner]

Eric Sandeen put forth on 4/23/2010 9:46 PM:
> FYI...
> 
> I asked Keith if he could do xfs nobarrier runs as well.
> 
> If there are ext4 nobarrier runs "winning" it seems only fair.  :)

Do you have a link to the hardware specs used in the testing Eric?

Thanks.

-- 
Stan

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Re: [Fwd: Benchmarking data from a raid machine 2.6.34-rc3]

[Eric Sandeen]

Stan Hoeppner wrote:
> Eric Sandeen put forth on 4/23/2010 9:46 PM:
>> FYI...
>>
>> I asked Keith if he could do xfs nobarrier runs as well.
>>
>> If there are ext4 nobarrier runs "winning" it seems only fair.  :)
> 
> Do you have a link to the hardware specs used in the testing Eric?
> 
> Thanks.
> 

There are machine specs at http://btrfs.boxacle.net/ but I don't know
for -sure- that he's testing the exact same setup now.

I assume so, though.  (I shoulda included that top URL in the message)

-Eric

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