linux-kernel - Re: XFS filesystem performance drop in kernels 2.6.16+

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Date:	Fri, 10 Nov 2006 11:14:22 -0600
From:	Eric Sandeen <sandeen@...deen.net>
To:	"Igor A. Valcov" <viaprog@...il.com>
CC:	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject: Re: XFS filesystem performance drop in kernels 2.6.16+

Igor A. Valcov wrote:
> Below is a simplified version of the test program, and results of
> testing different kernels/filesystems/mount options. The results are a
> little different from the ones described in the initial post (this
> time performance decreased "only" 2 times), but the general tendency
> is clearly the same.

I imagine that I know the answer, but to be sure you might put some time
checks into your test app to see -which- portion of the test is taking
the bulk of the time.

-Eric
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