[FreeNX-kNX] How can I do Sizing?

[Florian Schmidt]

Hi,

I would suggest buying at least more memory (memory is currently very cheap
so  this shouldn't be a big problem).

We habe currently a load of 60 - 70 full sessions on our server and a memory
usage around 10GiB -> so with 16GiB memory we would only support a maximum
of 100 sessions. The nxagent processes take at least 50MiB per User and
Session. 

On our Server all big (memory) or cpu intensive jobs are dispatched to the
compute farm. For more parallel sessions we are still working at our company
on a better load balancing solution because we plan to migrate from Citrix
Metaframe on Solaris 8 to NX on RHEL 4 or RHEL 5.

I think that 200 parallel sessions will work without problems on your server
with at least 16GiB of memory. For 400 users only the basic nxagents will
take 50MiB per user so a total of 20GiB (but now you don't have opened any
application on your server) If you start applications like cadence virtuoso,
modelsim, blastfusion or any EDA software (Chip design) you will get
troubles with more than 50 sessions :D

Hope this helps!
Cheers,
Florian

-----Original Message-----
From: Holger Krull [mailto:holger.krull at gmx.de] 
Sent: Thursday, August 07, 2008 5:48 PM
To: User Support for FreeNX Server and kNX Client
Subject: Re: [FreeNX-kNX] How can I do Sizing?

7th Sign | Iván Rico schrieb:
> Thanks, this information is really usefull, ok, I'm gonna buy this server:
> 2 Xeon Quad Core 3.0 GHz
> 8 GB Ram
> 4 ethernet ports
 > this server should be support 400 user, is this possible?

That is about 20 Meg Ram and '61 MHz' per user. That is a really 
difficult. In my opinion that could only work if you run a single 
program and not a full desktop, RAM is too tight.
(Usually i would say you need 100MB and 100MHz per user, but that is 
really very depending on what you want to do)

I recommend testing on a smaller computer to see how much user you can 
have with the applications you need before you buy.




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