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Alan Dala

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Hyper-V processor resource control

Hi,

I have a Hyper-V server with 16 cores, running on Server 2008 R2. In this version, I know I can assign only for processors to a VM in 2008. On one of the VMs I'm running a SQL server and at one point all 4 processors were running at 100% while on the host, the processors were running at 1-2%. How is this possible and how would I assign more power to that SQL VM?


Thank you!
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Philip Elder
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Alan Dala

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Thanks for your answer. I know 2012 R2 upgrade needs to be addressed  soon. I was just wondering if meantime there is a way to assign priority to specific VMs in 2008 R2.


Thanks again.
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Sorry if I sound dense but what do you mean by  'throwing more physical CPU'? Are you saying to potentially moving the SQL to a physical server? I already assigned the max. 4 vCPUs 2008R2 is capable of. I know there is a work around by editing the XML file and manually adding 8 CPUs but it is not supported by Microsoft. I'm tempted to try it since this 4 CPUs cap is very frustrating.


Thanks
Alan,

It is what it is.

Your options are pretty clear to me:

1. Move to 2012 R2 and new hardware

2. Move to physical hardware

3. Move to 2012 R2 on existing hardware


We would not "tweak" any settings to try and extract more performance out of an older platform. That's just asking for trouble.
I figured.

Thanks. I appreciate the help.
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