Re: 1352 NUL bytes at the end of a page?

From: Chris Mason
Date: Wed May 19 2004 - 08:38:19 EST


On Wed, 2004-05-19 at 09:28, Steven Cole wrote:

> > Steven, with all else being equal, you said you found a 2.6.3 SuSE
> > kernel to significantly outperform 2.6.6, is that right? If so can
> > you try the same test with plain 2.6.3 please? We'll go from there.
>
> Actually, it was a Mandrake kernel, 2.6.3-4mdk IIRC. Whatever is
> the default with MDK 10. One salient difference with the vendor
> kernel is that everything which can be a module is, and I wasn't
> using any modules with my kernels. BTW, I was careful to have the
> same hdparm settings during the performance testing.
>
> The performance difference was very repeatable. Using the script
> provided by Andy Isaacson, the 2.6.3-4mdk did the clone in about
> 11 minutes total, while the various current kernels took about
> 15 minutes total. The user times were the same, and the difference
> was in system time. Those numbers are from memory, the actual
> results should be in the archive.

Was this regression only reiserv3 or both v3 and ext3?

-chris


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