From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932126AbWEGKyU (ORCPT ); Sun, 7 May 2006 06:54:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932127AbWEGKyU (ORCPT ); Sun, 7 May 2006 06:54:20 -0400 Received: from outpost.ds9a.nl ([213.244.168.210]:10708 "EHLO outpost.ds9a.nl") by vger.kernel.org with ESMTP id S932126AbWEGKyT (ORCPT ); Sun, 7 May 2006 06:54:19 -0400 Date: Sun, 7 May 2006 12:54:09 +0200 From: bert hubert To: Jason Schoonover Cc: linux-kernel@vger.kernel.org Subject: Re: High load average on disk I/O on 2.6.17-rc3 Message-ID: <20060507105409.GA3835@outpost.ds9a.nl> Mail-Followup-To: bert hubert , Jason Schoonover , linux-kernel@vger.kernel.org References: <200605051010.19725.jasons@pioneer-pra.com> <20060506230320.GA3463@outpost.ds9a.nl> <200605061802.47261.jasons@pioneer-pra.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200605061802.47261.jasons@pioneer-pra.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 06, 2006 at 06:02:47PM -0700, Jason Schoonover wrote: > The interesting thing was that after I did a Ctrl-C on the ncftpget, the id > column was still at 0, even though the ncftpget process was over. The id > column was at 0 and the 'wa' column was at 98, up until all of the pdflush > processes ended. > > Is that the expected behavior? Yes - data is still being written out. 'wa' stands for waiting for io. As long as 'us' and 'sy' are not 100 (together), your system ('computing power') is not 'busy'. The lines below are perfect: > 0 2 40 47816 7888 1920116 0 0 0 36264 1354 56 0 1 0 99 > 0 2 40 48312 7888 1920116 0 0 0 36248 1362 52 0 1 0 99 Wether you should have 5 pdflushes running is something I have no relevant experience about, but your system should function just fine during writeout. -- http://www.PowerDNS.com Open source, database driven DNS Software http://netherlabs.nl Open and Closed source services