Re: NFS client (10x) performance regression 2.6.14.7 -> 2.6.15

From: Bill Rugolsky Jr.
Date: Fri Mar 31 2006 - 09:46:56 EST


On Fri, Mar 31, 2006 at 04:35:00PM +0200, Jakob Oestergaard wrote:
> I'm wondering... Can anyone else reproduce this problem?
>
> Just to explain quickly:
> Running nfsbench (on the NFS client) once with LEADING_EMPTY_SPACE set
> to 0 and then once with the option set to 1. If there's a big change
> in wall-clock execution time, this indicates that the problem exists.
>
> I'd be really interested in knowing whether I'm the only one who sees
> this problem.

Jakob,

Your NFS setup is specific to your system. Have you considered trying this
over loopback to narrow down the variables? If you see similar getattr/write
behavior over loopback, it will make it easy for everyone else to test.

-Bill
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