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How to change Dom0 VCPU allocation ?


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Hello,

 

I have a question for a XenServer 7.6 Enterprise installation.

There are 32 VCPUs available for the system. I noticed the Dom0 takes half of them as shown in the xentop.

The question is : how can I change the number of VCPUs that are allocated to Dom0 ? I'd like to reduce it because I don't think it needs that much and I need the resources for the VMs.

 

Thanks

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6 answers to this question

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I'm not sure why but thats normal. Remember, those aren't pinned so XenServer is just choosing to spread

its CPU load across multiple CPU's. For a good feel how its doing I would add the control domain load 

performance graph and see if your load is crazy high or not.  

 

--Alan--

 

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