On Mon, Jan 22, 2018 at 1:46 PM, Andrei V wrote:
> Hi,
>
>
> I’m currently running node on HP ProLiant with 2 x Xeon with 4 core each.
> Because of hyperthreading each physical core is being seen as 2.
> How KVM/oVirt reserves cores if for example I allocate 4 CPU cores for VM ?
> Does it allocates 4 real CPU cores, or 2 cores with 2 threads each ?
>
Depends on how you've configured the host and the VM.
>
> Each VM consumes very low CPU resources.
> What happens if # of used cores consumed by VMs will exceed real count of
> physical CPU cores ?
>
If they are really consumed, the VM might be slowing down considerably.
Y.
>
> Thanks.
> Andrei
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