Monday, 26 January 2009 17:26 | 
Author: Nico van Meurs | 
Citrix did a bunch of scalability tests on their XenDesktop product, the results of these tests are published in a XenDesktop 2.1 Scalability Analisys document. This document is very useful for companies that are currently in a PoC phase with XenDesktop and have questions about scalability of the product before rolling out to production.
The document covers the Platinum edition of XenDesktop, so this includes Provisioning Server and the modified version of XenApp. EdgeSite for Loadtesting is being used for stresstesting of the environment.
They also released this document for customizing EdgeSite for Loadtesting to work with XenDesktop.
While reading through the document I noticed something odd; for stresstesting on the XenDesktop workstations scripts are being used to emulate user workload by doing some standard tasks in products like Word, Excel etc.. Only this software is actually not installed or streamed to the XenDesktop workstations, but published from XenApp. So this means that most of the user workload is being processed on the XenApp server instead of the workstations.
But as the scalability of XenServer (as in how many workstations can I host per server) depends a lot on your application set, these numbers are quite relative anyway. More important are the results about the Desktop Delivery Controller and Provisioning Server, because these results are not binded to a certain application/user scenario they can be used in any environment.
The complete document can be downloaded here.
The document covers the Platinum edition of XenDesktop, so this includes Provisioning Server and the modified version of XenApp. EdgeSite for Loadtesting is being used for stresstesting of the environment.
They also released this document for customizing EdgeSite for Loadtesting to work with XenDesktop.
While reading through the document I noticed something odd; for stresstesting on the XenDesktop workstations scripts are being used to emulate user workload by doing some standard tasks in products like Word, Excel etc.. Only this software is actually not installed or streamed to the XenDesktop workstations, but published from XenApp. So this means that most of the user workload is being processed on the XenApp server instead of the workstations.
But as the scalability of XenServer (as in how many workstations can I host per server) depends a lot on your application set, these numbers are quite relative anyway. More important are the results about the Desktop Delivery Controller and Provisioning Server, because these results are not binded to a certain application/user scenario they can be used in any environment.
The complete document can be downloaded here.
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) and is still busy designing and implementing SBC and VDI environments at customers, based on Citrix products. Besides consultancy Eelco is frequently asked for troubleshooting jobs and infrastructural challenges.