Re: major VM suckage with 2.4.10pre12 and 2.4.10pre13 and highmem,

Rik van Riel (riel@conectiva.com.br)
Fri, 21 Sep 2001 18:00:49 -0300 (BRST)


On Fri, 21 Sep 2001, HABBINGA,ERIK (HP-Loveland,ex1) wrote:

> Kernel 2.4.10pre13 did not help our NFS SPEC testing on a machine with
> 4GB RAM. Refer to my previous message about those results:
> http://lists.insecure.org/linux-kernel/2001/Sep/3036.html
>
> In a nutshell, kswapd starts grabbing 99% of the CPU for long
> stretches in time, which causes us to drop NFS RPC connections, which
> causes performance to suck.

I'm curious, how do recent -ac kernels perform here ?

If you have the time, could you test 2.4.9-ac13 plain
and 2.4.9-ac13 with my page aging and launder patches
from http://www.surriel.com/patches/ ? ;)

cheers,

Rik

-- 
IA64: a worthy successor to i860.

http://www.surriel.com/ http://distro.conectiva.com/

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