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@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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