[CentOS] slow GUI

Fri Dec 30 14:09:52 UTC 2005
Robert Moskowitz <rgm at htt-consult.com>

At 08:18 AM 12/30/2005, Johnny Hughes wrote:
>On Fri, 2005-12-30 at 07:56 -0500, Robert Moskowitz wrote:
> > System:
> >
> > PIII 500Mhz
> > 128MB memory
> > 20GB drive
> >
> > Current CentOS 4.2
> > Gnome GUI
> >
> > The system runs 'idle' at around 70Mb memory used and 4% cpu usage.
> >
> > But whenever I go to start a task:
> >
> > Start Gedit, Services tool, a Terminal window, Firefox
> >
> > It takes a minute or so.  CPU mayyyypeak at 100% briefly then come
> > down.  Memory has yet to exceed 100Mb usage.
> >
> > Any pointers of where to look to see why it is slow?
> >
>Why it is slow is easy ... RHEL-4 (and therefore CentOS) doesn't work
>correctly in GUI mode with less than 256MB RAM.
>
>If you run top and look, you will have lots of SWAP usage ... which is
>simulating system memory onto hard drive.  This is VERY slow and makes
>things take forever :)

Oh well...

Since this is targeted as my DNS and mail server, I had better get 
more memory quickly!

I had been using gnome's system monitor.  And although it showed 43Mb 
of swap used (of 256Mb) it did not show any swap activity.

I will try and figure out how to use top.

thanks!