From: "R. J. Wysocki" <rjwysocki@sisk.pl>
To: Con Kolivas <kernel@kolivas.org>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: Autotune swappiness01
Date: Mon, 26 Jul 2004 10:52:49 +0200 [thread overview]
Message-ID: <200407261052.50178.rjwysocki@sisk.pl> (raw)
In-Reply-To: <cone.1090804198.848689.20693.502@pc.kolivas.org>
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
next prev parent reply other threads:[~2004-07-26 8:43 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-26 0:25 [PATCH][2.6.8-rc1-mm1] " Con Kolivas
2004-07-26 0:36 ` Andrew Morton
2004-07-26 0:43 ` Con Kolivas
2004-07-26 0:48 ` Andrew Morton
2004-07-26 1:01 ` Con Kolivas
2004-07-26 1:09 ` Con Kolivas
2004-07-26 8:52 ` R. J. Wysocki [this message]
2004-07-26 9:31 ` Con Kolivas
2004-07-26 10:34 ` R. J. Wysocki
2004-07-26 10:29 ` Con Kolivas
2004-07-26 10:54 ` R. J. Wysocki
2004-07-26 11:03 ` Con Kolivas
2004-07-26 11:13 ` Nick Piggin
2004-07-26 11:17 ` Con Kolivas
2004-07-26 11:47 ` Nick Piggin
2004-07-26 13:53 ` R. J. Wysocki
2004-07-26 18:45 ` Adam Kropelin
2004-07-26 18:53 ` R. J. Wysocki
2004-07-26 17:55 ` Gerrit Huizenga
2004-07-26 20:29 ` Joel Becker
2004-07-26 20:42 ` Andrew Morton
2004-07-26 22:58 ` Con Kolivas
2004-07-27 0:52 ` Clemens Schwaighofer
2004-07-27 1:09 ` Andrew Morton
2004-07-27 1:17 ` Clemens Schwaighofer
2004-07-27 2:03 ` Tim Connors
2004-07-27 2:43 ` Con Kolivas
2004-07-27 3:02 ` Tim Connors
2004-07-27 3:43 ` Clemens Schwaighofer
2004-07-27 3:47 ` Joel Becker
2004-07-27 15:32 ` William Lee Irwin III
2004-07-27 3:41 ` Clemens Schwaighofer
2004-07-26 14:52 Martin Knoblauch
2004-07-26 21:29 DaMouse
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