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CTI
Adventurer
Posts: 12
Registered: ‎06-21-2016
Accepted Solution

AHV vcpu vs vcores

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

 

 

 


Accepted Solutions
Pathfinder
Posts: 4
Registered: ‎01-22-2016

Re: AHV vcpu vs vcores

 

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 when
more than one CPU is needed in a VM, rather than increasing the cores per vCPU. If a user VM
requires four CPUs, Nutanix recommends the configuration shown below.

 

 vCPUs vs Cores.png

View solution in original post


All Replies
Pathfinder
Posts: 4
Registered: ‎01-22-2016

Re: AHV vcpu vs vcores

 

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 when
more than one CPU is needed in a VM, rather than increasing the cores per vCPU. If a user VM
requires four CPUs, Nutanix recommends the configuration shown below.

 

 vCPUs vs Cores.png