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Citrix Presentation Server 4 and VMWare:  CPU & RAM "load"

todjklki asked
Last Modified: 2009-07-29
Greetings, Experts! The intention of my question is to feel out other IT admins and see what kind of performance issues play in to a real-world Citrix & VMware environment.

My company has made the choice to go with VMWare Virtual Infrastructure 3.  With that said, our Citrix Access Essentials 1.5 server is currently living as a VM.  The VM is currently allocated a 2.2 GHz processor with 2GB of RAM.  CPU load management is in effect, but (per recommendaion of my server consultant) Memory Management is not.  Users will be running apps like Office 2003 products (Outlook, Word, Excel, Publisher), Adobe Acrobat 8 Standard, Windows Messenger, IE6 and MAS accounting software (for the 5 accounting users only).  Obviously some of these apps are memory & processor "hogs" (per se).

Honestly, I don't have a lot of experience with the combination of Citrix and VMWare.  I'm told the latest version of both products are designed to work together "better" than pervious versions.  I've talked with some admins who swear by keeping Citrix servers on physical hosts.  For better or worse, there's no going back to a physical box and that means that I have to do my best with what I have.

Allow me to finally get to my point.  :)  I am in a position where this particular Citrix server is in beta with two users.  Ultimately there will be 14 users who will use this Citrix server.  With all of the apps (listed above) running I'm not sure of how many users that I'll be able to get on this Citrix server before it's maxed out.  This is where you come in to the picture...

I'm seeking real-world information from Experts about the number of users (assuming they are activly using the mentioned apps) that can safely be on this Citrix server with the allocated RAM (2GB) and processor (2.2 GHz).

I thank you all very kindly.

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nprignanoTechnical Architect

I see no issue running Citrix as VM on 2.2 GHz, but I do suggest you allot 4 GB if you want 14 users to run Office, Adobe and IE concurrently.

I use MS Virtual Server 2k5 R2 to host an array of PS 4 servers, configured similar as you describe, and they run flawlessly.
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