[Users] Increase core or socker for vCPU

[Roy Golan]

Its not clear if increase is while the VM is running, meaning hot plug cpu

On Mar 4, 2014 5:22 PM, Sven Kieske <S.Kieske at mittwald.de> wrote:
>
> AFAIK you need to increase sockets, not cores, at least 
> AFAIK you need to increase sockets, not cores, at least
this is what ovirt does atm, and I think libvirt/qemu/kvm
do it the same way, but I'm not 100% sure.

See:
http://www.linux-kvm.org/page/CPUHotPlug
http://wiki.qemu.org/Features/CPUHotplug

But I'm also wondering if an additional socket is the
right way to go from a design perspective.

So I'd like to hear more opinions on this topic.

Am 04.03.2014 15:00, schrieb Tejesh M:
> Hi,
> 
> I have a basic doubt, while increasing vCPU for a VM in RHEV-M, do we need
> to increase core or sockets?  For instance, if someone asks for 2vCPU then
> should i make it 2 socket x 1 core or 1 socket x 2 core..
> 
> I do understand that it depends on application too to choose. but i'm
> asking in general.
> 
> Sorry, if its not relevant to this forum.
> 
> Thanks


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Sven Kieske

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