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AHV vcpu vs vcores


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Hi,

We just fired up a 3 node cluster HX1310 with AHV. Trying to keep things lean and mean...

When a Windows guest needs more CPU, is it "better" to go with more vcores or more vcpu in AHV?

I'm asking from a performance perspective and perhaps licensing perspecitve.....

Thanks,
G



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Best answer by JBPrado 16 February 2017, 17:23


I'm hardly an expert, but the 'AHV Best Practices' guide recommends more vCPUs. I'll paste the quote below, maybe someone else can fill in more details if you need them.
http://go.nutanix.com/AHV-best-practices-guide.html

Nutanix recommends first increasing the number of vCPUs whenmore than one CPU is needed in a VM, rather than increasing the cores per vCPU. If a user VMrequires four CPUs, Nutanix recommends the configuration shown below.


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I'm hardly an expert, but the 'AHV Best Practices' guide recommends more vCPUs. I'll paste the quote below, maybe someone else can fill in more details if you need them.
http://go.nutanix.com/AHV-best-practices-guide.html

Nutanix recommends first increasing the number of vCPUs whenmore than one CPU is needed in a VM, rather than increasing the cores per vCPU. If a user VMrequires four CPUs, Nutanix recommends the configuration shown below.


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