On 05/05/06, Enrico Teotti <[EMAIL PROTECTED]> wrote:
Hi,
I need a suggestion, I'm thinking about an LTSP way to make up a 25
clients lab. I'm still not sure about the client's hardware, just that
they are all Pentium class or above (100MB LAN). :-)
BTW I'm aware of the processor on the server, in another lab where I'm
already using LTSP loaded with KDE on 10 clients (all p4 class btw no
local app) the RAM (2GB) is always around 1GB but the CPU (a P4 HT
around 2000Ghz) sometimes can't handle the work. The work is Firefox
on all the 10 clients and open office in background (and clearly KDE).
Will I need a bi-processor to handle such work?
Can you use some diagonistic tools in the existing lab? Check for user
space memory and not total memory used as Linux will always use memory
aggressively to cache disk i/o
IMHO disk i/o may be a bigger problem. Since nothing is mentioned I
assume disk(s) are ide-pata which may be totally in adequate for so
may clients. Personally i observe the following thumb rule:
~5 clients ide-pata
~15 clients ide-sata
15 scsi
In my work area till last year I had a similar processor which handled
~25+ office clients. Now we have switched to AMD64 which are better in
some respects and our peak is ~30+ clients. You may run AMD64 with 32
bit o/s if flash is needed for browsing as this is currently not
available in 64 bit mode.
Watch out that no one uses chess or similar programs that are memory
and cpu hogs. Some java /flash also take lot of resources.
HTH
--
Sudev Barar
Learning Linux
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