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System sizing for X sessions

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Operating Systems Linux System sizing for X sessions
# 1  
Old 12-28-2009
System sizing for X sessions
Hello all.
I've been tasked with building a system that will have up to 50 concurrent users connected and using an X session running firefox. Is there some kind of standard sizing model available that will tell me what kind of network/CPU utilization I will be looking at?

Or even better some load testing software that will let me test this for myself?

I've only ever built GUI-less systems so I have no good starting point.

Thanks

Shawn
# 2  
Old 01-28-2010
I guess you can approximate this by manual simulation. Set manually a system with 1, 5 and 7 users, measure and multiply by appropriate factor.

Other hint is to use existing experiences. Are you aware of SunRay systems? They are just like you've described with some servers handling many, many users. Try googling for "sunray workload" and maybe you'll find some stats and figures put there by other people.
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