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From: "Jakob Østergaard" <jakob@unthought.net>
To: "Jeffrey W. Baker" <jwbaker@acm.org>
Cc: "Richard B. Johnson" <root@chaos.analogic.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Ongoing 2.4 VM suckage
Date: Thu, 2 Aug 2001 23:44:34 +0200	[thread overview]
Message-ID: <20010802234434.E7650@unthought.net> (raw)
In-Reply-To: <Pine.LNX.3.95.1010802165949.7742A-100000@chaos.analogic.com> <Pine.LNX.4.33.0108021409100.21298-100000@heat.gghcwest.com>
In-Reply-To: <Pine.LNX.4.33.0108021409100.21298-100000@heat.gghcwest.com>; from jwbaker@acm.org on Thu, Aug 02, 2001 at 02:11:21PM -0700

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}...............:

  reply	other threads:[~2001-08-02 21:44 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-02 18:29 Ongoing 2.4 VM suckage Jeffrey W. Baker
2001-08-02 18:52 ` Richard B. Johnson
2001-08-02 19:10   ` Jeffrey W. Baker
2001-08-02 19:54     ` Richard B. Johnson
2001-08-02 20:10       ` Jeffrey W. Baker
2001-08-02 20:16         ` Rik van Riel
2001-08-02 20:28           ` Rik van Riel
2001-08-03 17:59             ` David Ford
2001-08-03 20:53               ` Rik van Riel
2001-08-03 21:59                 ` Mike Black
2001-08-03 22:08                   ` Rik van Riel
2001-08-04  1:06                     ` Daniel Phillips
2001-08-03 23:58                   ` [PATCH] Disable kswapd through proc (was Ongoing 2.4 VM suckage) Daniel Phillips
2001-08-04  7:21                   ` Ongoing 2.4 VM suckage Stephen Satchell
2001-08-06  8:55                     ` Helge Hafting
2001-08-06 16:37                     ` Jeremy Linton
2001-08-07  7:51                       ` David Weinehall
2001-08-03 22:47                 ` David Ford
2001-08-02 21:01         ` Richard B. Johnson
2001-08-02 21:11           ` Jeffrey W. Baker
2001-08-02 21:44             ` Jakob Østergaard [this message]
2001-08-02 21:52               ` Jeffrey W. Baker
2001-08-02 21:56                 ` Miles Lane
2001-08-02 22:05                   ` Jeffrey W. Baker
2001-08-02 22:07                 ` Rik van Riel
2001-08-02 22:17                   ` Jeffrey W. Baker
2001-08-02 22:27                     ` Rik van Riel
2001-08-02 22:32                       ` Jeffrey W. Baker
2001-08-02 22:56                       ` BERECZ Szabolcs
2001-08-03 13:07                       ` jlnance
2001-08-03 13:31                         ` Richard B. Johnson
2001-08-06 13:22                         ` Luigi Genoni
2001-08-06 13:29                           ` David S. Miller
2001-08-02 23:46                     ` Ongoing 2.4 VM suckage pagemap_lru_lock Jeremy Linton
2001-08-02 22:15                 ` Ongoing 2.4 VM suckage Pavel Zaitsev
2001-08-02 22:20                 ` Jakob Østergaard
2001-08-03 12:04 ` Anders Peter Fugmann
2001-08-03 16:03   ` Rik van Riel
2001-08-03 16:24     ` Anders Peter Fugmann
2001-08-03 21:24       ` Rik van Riel
2001-08-03 22:00         ` Anders Peter Fugmann

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