On Tue, 2003-06-03 at 16:27, Kevin de Wet wrote:
> We have recently installed LTSP for a lab of 10 PC's, with a 1.2GHz
> AMD Athlon, 1 Gig of RAM server. With only a few users logged on the
> memory is running very high - at times the full gig is used up by only
> three users. After all users have logged off it will sit at say
> 750-800 megs. I found some kill scripts in the contrib area (kiosk
> reset and killscript) to end stray processes but these don't seem to
> help. A server restart gets the RAM back low, but it get used up very
> quickly. Any thoughts on the problem / a solution?
>
> Also ... at times after one user logs on, the system will mount stacks
> of other users home directories onto the LTSP server from our main
> server, even though they are not logged on. Any ideas?
I'm new to this list, but have been listening to similar issues on the
K12LTSP list for nearly a year ...
... from that list I've read that what you see is fairly typical of
Linux. Apparently, Linux makes use of as much memory as you have
available and if you add more users and running processes you wouldn't
see any performance drop because there is plenty to spare in your
setup. In accurately measured terms the talk is of needing only around
50Mb per user.
Similarly, you will see memory chewed up by applications that you
thought you had shut down. Open Office is supposed to be a memory hog
like that. The idea is that some parts of the applications stay in
memory in preparation of quick restarting, but if your system needs the
memory resources it drops off the unneeded memory hogs.
In all, it's hard to get accurate measures of system resource usage
unless you use the right tool - and I can't remember what one was
recommended.
Just repeating what I've read, so HTH. Maybe visit the archives of that
K12LTSP list to search for the info first hand.
--
Regards,
Gavin Chester
mailto: [EMAIL PROTECTED]
962 Williams Rd, Dwellingup, Western Australia 6213
Tel: (08)95381102 Fax: (08)95381409
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