Re: 2.6.0-test9 - poor swap performance on low end machines

From: William Lee Irwin III
Date: Wed Dec 17 2003 - 06:08:24 EST


On Tue, 16 Dec 2003 11:29:50 -0500, Rik van Riel wrote:
>> Could you try "echo 0 > /proc/sys/vm/lower_zone_protection" ?

On Wed, Dec 17, 2003 at 12:03:37PM +0100, Roger Luethi wrote:
> Defaults to 0 anyway, doesn't it? Turning it _on_ seems to slow
> benchmarks down somewhat (< 5%). In one of ten runs, though, the efax
> test stopped doing anything for ten minutes -- no disk activity, no
> progress whatsoever.

Sorry about that, that got brought up elsewhere but not propagated out
to lkml. Hearing more about the various degradations you've identified
would be helpful.


-- wli
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