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Re: KDE 2.1 memory issue
- To: fredy <fredarie5(at-nospam)isdn.net.il>
- Subject: Re: KDE 2.1 memory issue
- From: Tzafrir Cohen <tzafrir(at-nospam)technion.ac.il>
- Date: Sun, 2 Sep 2001 10:19:02 +0300 (IDT)
- Cc: Linux-IL Mailing List <linux-il(at-nospam)linux.org.il>
- Delivered-To: linux.org.il-linux-il@linux.org.il
- In-Reply-To: <01090200491401.01062@localhost.localdomain>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
On Sun, 2 Sep 2001, fredy wrote:
> Yes, the upgrade is on the way....
> i check memory usage with :
> 1. the kde sysguard or process info.
> 2. /proc/meminfo
Well, it was suggested that you use top , kps , gtop and similar tools to
see which process consumes much memory (e.g: press shift-M in top). If
this process is not X itself, chances are that you can kill it and at
least get your memory back.
> they both show the same results at least as to total mem usage...
> the thing is that I wouldnt even check this is i didnt see some strange
> things like being unable to open new mozilla windows after 5 or 6 are open,
Are you sure mozilla is not to blame here ;-)
(It has known to have had huge memory leaks in the past)
> or waiting for almost 10 seconds till the first browser window opens...
> I've checked and I see no unneeded proccesses running (meaning its a normal
> workstation...no server proccesses running)...
> The swap mem is almost never used....
Are you sure? How can you tell that? either you have a process taking all
the CPU with high priority (nice <0 ), which is not likely) or the system
is busy with swapping.
Things to look at:
Is the CPU busy? If you have a run-away process that simply consumes CPU
than you have almost 100% CPU, but all of it is user.
If your system is busy with swapping, then the CPU won't be very busy
(unless you have a very fast disk...) but it will show some activity, and
most of it will be under 'system', as the system is busy moving stuff in
and out of swap.
> Just seems slow... I really dont feel like debugging all my apps to see
> what's wrong but i may just do that... cause the problem is always with the
> startup speed, not the normal operation.
Maybe there are other processes running?
For instance, do you use anacron? In that case, you might be running all
the nightly cron jobs at the time.
Agains, top et. al are your friends, as they can give you a list of
processes and can show exactly which of them takes howmuch memory and CPU.
>
> On Thursday 30 August 2001 02:30 pm, Hetz Ben Hamo wrote:
> > 1. Please upgrade to KDE 2.2 as KDE 2.1 had some nasty bugs.
> >
> > 2. I really don't know how do you measure your memory usage. top / ps - is
> > not good if you check for example how much X takes (the number that you see
> > on ps/top with X running is actually X + your video memory + fonts server +
> > other stuff - so it's misleading)
> >
> > 3. At my last job - people had machines with 256MB, with 8 virtual desktops
> > full of apps running (5-8 browsing windows, kdevelop, 10 konsole shells
> > [not session], etc) and it barely touched the swap memory.
--
Tzafrir Cohen
mailto:tzafrir@technion.ac.il
http://www.technion.ac.il/~tzafrir
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