From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261513AbULFM4t (ORCPT ); Mon, 6 Dec 2004 07:56:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261516AbULFM4t (ORCPT ); Mon, 6 Dec 2004 07:56:49 -0500 Received: from ns1.enidan.ch ([217.8.216.11]:8925 "EHLO mail.local.net") by vger.kernel.org with ESMTP id S261513AbULFM4r (ORCPT ); Mon, 6 Dec 2004 07:56:47 -0500 From: "Per Jessen" To: "linux-kernel@vger.kernel.org" Date: Mon, 06 Dec 2004 13:28:54 +0100 X-Mailer: PMMail 2000 Professional (2.20.2711) For Windows 2000 (5.0.2195;4) In-Reply-To: <20041206122003.3DFBE7D48D@mail.local.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Subject: Re: Fwd: 2.4.28 - kswapd excessive cpu usage under heavy IO Message-Id: <20041206122938.D1E078E62F@mail.local.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 06 Dec 2004 13:20:03 +0100, Per Jessen wrote: > (apologies if this is sent more than once) > I've found similar incidences in the archives, but none that indicates that a > solution was found. > I'm seeing excessive cpu usage by kswapd on a 4way 500MHZ Xeon with 2GB RAM. A > find in a directory containing perhaps 6-700,000 files makes the box almost > grind to a halt. In 12days uptime, kswap has used 590:43.82, and during the > find-exercise usually runs with 90-100% util. > The file-system is 150GB with JFS117 on a software-RAID5 - not exactly optimal, > I agree, but reasonably workable. Correction - this is on 2.4.26, *not* 2.4.28. /Per -- regards, Per Jessen, Zurich http://www.spamchek.com - let your spam stop here!