Re: XFS filesystem performance drop in kernels 2.6.16+

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

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