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From: Bernd Eckenfels <ecki-news2002-09@lina.inka.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Very High Load, kernel 2.4.18, apache/mysql
Date: Wed, 25 Sep 2002 05:50:18 +0200	[thread overview]
Message-ID: <E17u3Bq-0005Zl-00@sites.inka.de> (raw)
In-Reply-To: <Pine.LNX.4.44L.0209242223040.22735-100000@imladris.surriel.com>

In article <Pine.LNX.4.44L.0209242223040.22735-100000@imladris.surriel.com> you wrote:
> If it's IO bound, it's quite possible the problem is the disk
> elevator and Andrew Morton's read-latency2 patch might help
> somewhat (if the system is heavy on both reads and writes).

hmm.. it does not look so from the posted stats, or do you think so? 10%
system time and 0% idle.

> It would make sense to study the output of top and vmstat for
> a few hours to identify exactly what the problem is

yes, I think so.

Greetings
Bernd

  parent reply	other threads:[~2002-09-25  3:45 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-24 23:27 Adam Goldstein
2002-09-25  0:59 ` Roger Larsson
2002-09-25  1:28   ` Rik van Riel
2002-09-25  2:38     ` Adam Goldstein
2002-09-25  5:24       ` Simon Kirby
2002-09-25  6:56         ` Adam Goldstein
2002-09-25  7:20           ` Simon Kirby
2002-09-25  7:51             ` Paweł Krawczyk
2002-09-25 13:13       ` Rik van Riel
2002-09-25 22:54       ` Jose Luis Domingo Lopez
2002-09-26 17:09       ` Joachim Breuer
2002-09-26 17:16         ` Rik van Riel
2002-09-25  3:50     ` Bernd Eckenfels [this message]
2002-09-25  3:48 ` Bernd Eckenfels
     [not found] <3D90FD7B.9080209@wanadoo.fr>
2002-09-25  1:12 ` Adam Goldstein
     [not found] <0EBC45FCABFC95428EBFC3A51B368C9501AF4F@jessica.herefordshire.gov.uk>
2002-09-25 20:16 ` Adam Goldstein
2002-09-25 21:26   ` Roger Larsson
2002-09-26  3:03   ` Ernst Herzberg
2002-09-26 18:36     ` Marco Colombo
2002-09-26 19:27       ` Rik van Riel
2002-09-26 20:02         ` Marco Colombo
2002-09-26 20:09           ` Rik van Riel
2002-09-26 20:25         ` Ernst Herzberg
2002-09-27  8:52       ` Martin Brulisauer
2002-10-01  5:36   ` David Rees

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