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Date:	Mon, 02 Jun 2008 15:07:08 +0200
From:	Valerie Clement <>
To:	Eric Sandeen <>
Cc:	ext4 development <>
Subject: Re: Test results for ext4

Eric Sandeen wrote:
> Oh, also for completeness can you specify which xfsprogs you used?
> There were some recent changes made which affect the fs geometry, and
> might affect the results.  So it would be good to fully specify.
OK, to do. To be honest, I didn't update them recently.

> Also why no fragmentation results for xfs or ext3?
I only forgot to do it.

But I didn't want to make a full comparaison of ext4 to xfs and ext3.
When testing the latest ext4 patch queue with a new kernel, I'd got
sometimes kernel crashes, or system hang, or bad performance.
Running the same tests on ext3 and xfs for which the code is more
stable I think gives me reference numbers for my tests.
In this way, I found in the past a problem in the IO scheduler.


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