From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 2 Aug 2001 17:44:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 2 Aug 2001 17:44:48 -0400 Received: from unthought.net ([212.97.129.24]:43714 "HELO mail.unthought.net") by vger.kernel.org with SMTP id ; Thu, 2 Aug 2001 17:44:40 -0400 Date: Thu, 2 Aug 2001 23:44:34 +0200 From: =?iso-8859-1?Q?Jakob_=D8stergaard?= To: "Jeffrey W. Baker" Cc: "Richard B. Johnson" , linux-kernel@vger.kernel.org Subject: Re: Ongoing 2.4 VM suckage Message-ID: <20010802234434.E7650@unthought.net> Mail-Followup-To: =?iso-8859-1?Q?Jakob_=D8stergaard?= , "Jeffrey W. Baker" , "Richard B. Johnson" , linux-kernel@vger.kernel.org In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2i In-Reply-To: ; from jwbaker@acm.org on Thu, Aug 02, 2001 at 02:11:21PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 02, 2001 at 02:11:21PM -0700, Jeffrey W. Baker wrote: > > > On Thu, 2 Aug 2001, Richard B. Johnson wrote: > > > Well I don't have any such problems here. I wrote this script > > from your instructions. I don't know if you REALLY wanted all > > the file content to go out to the screen, but I wrote it explicitly. > > [snip] > > > Script started on Thu Aug 2 16:50:47 2001 > > # ps -laxw | grep pause > > 140 0 16 1 -1 -20 712 40 pause S < ? 0:00 (bdflush) te > > 0 0 7433 1 9 0 321056 137808 pause S 1 0:02 /tmp/try > > 0 0 7631 7626 19 0 844 240 R p0 0:00 grep pause > > # cat /proc/meminfo > > total: used: free: shared: buffers: cached: > > Mem: 328048640 326234112 1814528 0 4255744 173219840 > > Swap: 1069268992 189992960 879276032 > ^^^^^^^^^ > You still have almost 1GB of swap left. I mean use all the memory in your > box, RAM + swap. > > As I said, I expect degraded performance but not a complete meltdown. What ? You fill up mem and you fill up swap, and you complain the box is acting funny ?? This is a clear case of "Doctor it hurts when I ..." - Don't do it ! I'm interested in hearing how you would accomplish graceful performance degradation in a situation where you have used up any possible resource on the machine. Transparent process back-tracking ? What ? -- ................................................................ : jakob@unthought.net : And I see the elder races, : :.........................: putrid forms of man : : Jakob Østergaard : See him rise and claim the earth, : : OZ9ABN : his downfall is at hand. : :.........................:............{Konkhra}...............: