Xorg massive memory usage

[Marcus Rademacher]

It lists x-nautilus-desktop at the top with 2257K, then two more entries
that are <unknown> with 2250K in use each.

Marcus

On Wed, Feb 3, 2010 at 10:53 AM, Clemens Eisserer <linuxhippy at gmail.com>wrote:

> What does xrestop report when you see Xorg consuming such large
> amounts of memory?
>
> - Clemens
>
> 2010/2/3 Marcus Rademacher <endingpop at gmail.com>:
> > I'm having an issue with Xorg using a ton of memory. To start off, here
> are
> > the machine specs:
> >
> > Dell Precision M4400
> > 4 GB of RAM
> > Dedicated video card with onboard video RAM
> > Running Ubuntu 9.10 x64
> > Not using Compiz or any special display effects.
> >
> > Results of "X -version":
> > X.Org X Server 1.6.4
> > Release Date: 2009-9-27
> > X Protocol Version 11, Revision 0
> > Build Operating System: Linux 2.6.24-23-server x86_64 Ubuntu
> > Current Operating System: Linux marcus-laptop 2.6.31-17-generic
> #54-Ubuntu
> > SMP Thu Dec 10 17:01:44 UTC 2009 x86_64
> > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic
> > root=UUID=dc474f24-3833-4896-bd3e-0a209d66a767 ro vga=799 quiet splash
> > Build Date: 14 November 2009  05:48:57PM
> > xorg-server 2:1.6.4-2ubuntu4.1 (buildd@)
> >     Before reporting problems, check http://wiki.x.org
> >     to make sure that you have the latest version.
> >
> > I'm using this machine for thesis research, and that involves running
> some
> > niche software and some of my own code. The crux is that many folders and
> > files are created and deleted over the course of 30 seconds. These runs
> take
> > several days to complete.
> >
> > The problem is that if I start out with a fresh log in Xorg starts at
> about
> > 30 MiB in use. After letting my program run overnight, Xorg is typically
> > using several GiB of memory, pushing the amount in use up about 95%.
> > Normally I can do regular web browsing while my program runs, but when
> the
> > memory usage is that high the whole machine is unusable, and my research
> > program slows a lot.
> >
> > So what I'm actually running is a bash script that calls a commercial
> > optimization code (HEEDS) several times in sequence, which in turn calls
> > Matlab and some very small C programs of mine many times as well. So no
> > instance of my code or HEEDS is running the entire length of time, since
> > they end and new instances begin many times. That fact, and that I've run
> > this same thing on other Linux platforms and Windows without issue makes
> me
> > think that this is unrelated to the code I'm running. Perhaps it's
> > exacerbated by the many folders and files that are created over the
> course
> > of the program's run.
> >
> > So what do I have to do prevent Xorg from stealing all of my memory?
> >
> > Also posted to Ubuntu Forums:
> > http://ubuntuforums.org/showthread.php?t=1397093
> >
> > _______________________________________________
> > xorg mailing list
> > xorg at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/xorg
> >
>
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