Re: Autotune swappiness01

From: R. J. Wysocki
Date: Mon Jul 26 2004 - 03:45:37 EST


On Monday 26 of July 2004 03:09, Con Kolivas wrote:
> Con Kolivas writes:
> > Andrew Morton writes:
> >> Seriously, we've seen placebo effects before...
> >
> > I am in full agreement there... It's easy to see that applications do not
> > swap out overnight; but i'm having difficulty trying to find a way to
> > demonstrate the other part. I guess timing the "linking the kernel with
> > full debug" on a low memory box is measurable.
>
> I should have said - finding a swappiness that ensures not swapping out
> applications with updatedb, then using that same swappiness value to do the
> linking test.

Please excuse me, but is that viable at all? IMHO, it's just like trying to
tune a radio including volume with only one knob. I don't say it won't work,
but the probability that it will is rather small, it seems ...

rjw

--
Rafael J. Wysocki
[tel. (+48) 605 053 693]
----------------------------
For a successful technology, reality must take precedence over public
relations, for nature cannot be fooled.
-- Richard P. Feynman
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