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Express 2008 R2 performance dire on VM vs Physical Machine

Posted By:      Posted Date: September 08, 2010    Points: 0   Category :Sql Server
Like a lamb to the slaughter we upgraded a 2005 Express VM to 2008 R2 at first it seemed fine, then the users compained of poor performance. The database was now above 4GB so no going back. Performance was degrading, we noted the VM only had 512 ram, reconfiguered to 3GB and the machine ground to a halt  Literally - more than 1 user could not log on. A simple query would MAX the processor to 100% for 2 or 3 seconds. No stored proceedure was a standout as a bad performer. Only one user could log in at a time. All indexes were rebuilt (took 4 hours!) still unusable performance. Move the machine to a single processor xp with 2GB ram and 8 users can now log on simutaneously CPU bumps along at 5-20%. Is SQL 2008 R2 Express a no no on VMware? Should we recommend against SQL 2008 R2 upgrades?

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