RTFM Education – Virtualization, VMware, Citrix

Nov 10 2006   9:03AM GMT

VMworld Session Review: Performance on Citrix

Michelle Laverick Michelle Laverick Profile: Michelle Laverick

This was a very fun session. It was the last of the day. I mean the VERY last. So the atmosphere was very laid back and chaty amongst both the attendees and the presenters. I got some time to chat informally to Paul G. Hann who is Director of Corporate Development at Citrix. I hope to arrange an interview with Paul and Co – specially addressing Citrix’s stance on VDI, MFPS under a VM and the thorny issue of CAG as VMware Appliance (Sorry, Paul for turning the heat on you twice in the session on this very topic)

The actual session turned up no surprises from what we have all gathered from the Forum’s and experience. Single CPU VM’s for MFPS are the way to go; Turning off hyper-threading is still recommended; ESX 3.x offers much better user concurrency than ESX 2.x…. with ALL usual cavats that it depends on your APP and your user activity.

One thing I was suprised by was the very impressive user loads in their R&D for ESX 2.x used compare/contrast the effect of changes in the ESX 3.x kernel. To be honest I don’t buy them. I’m not questioning the integrity of these guys one little bit. But for the apps that most people run (not MS Word) the 15-user load-barrier is commonly experienced and noted in the forums.

Now, let me admit something here. Forums are full of people who have problems – not full of people for whom life is rosy in the garden.

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