Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 21 Dec 2002 18:12:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 21 Dec 2002 18:12:36 -0500 Received: from packet.digeo.com ([12.110.80.53]:4559 "EHLO packet.digeo.com") by vger.kernel.org with ESMTP id ; Sat, 21 Dec 2002 18:12:35 -0500 Message-ID: <3E04F742.DD396736@digeo.com> Date: Sat, 21 Dec 2002 15:20:34 -0800 From: Andrew Morton X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.5.52 i686) X-Accept-Language: en MIME-Version: 1.0 To: Paolo Ciarrocchi CC: linux-kernel@vger.kernel.org Subject: Re: 2.5.52, load and process in D state References: <20021221203246.16082.qmail@linuxmail.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 21 Dec 2002 23:20:35.0185 (UTC) FILETIME=[907F9E10:01C2A947] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 23 Paolo Ciarrocchi wrote: > > Hi all, > I booted 2.5.52 with the following parmater: > apm=off mem=32M (not sure about the amount, anyway I can reproduce > the problem for sure with 32M and 40M) > > Then I tried the osdb (www.osdb.org) benchmark with > 40M of data. > > $./bin/osdb-pg --nomulti > > the result is that aftwer a few second running top I see the postmaster > process in D state and a lot if iowait. What exactly _is_ the issue? The machine is achieving 25% CPU utilisation in user code, 6-9% in system code. It is doing a lot of I/O, and is getting work done. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/