Hi, The number of vNUMA nodes does not limit the number of sockets, cpus, or threads. The VM can have any number of sockets. When using the UI, the vCPUs are distributed equally across all vNUMA nodes. When using the REST API, it is up to the user to specify which vCPUs are assighned to which vNUMA nodes. Best regards, Andrej On Wed, 12 Jun 2019 at 12:37, Matthias Leopold < matthias.leopold@meduniwien.ac.at> wrote:

Hi,

when I want to use vNUMA for VMs is it necessary that the number of VM virtual sockets corresponds to the number of vNUMA nodes?

concrete example: hypervisor host has 2 physical cpus VM has 2 vNUMA nodes and uses CPU pinning which distributes the VCPUs equally over both physical CPUs is it necessary for the VM to have 2 virtual sockets or is it ok for virtual socket count to be powers of 2 (eg. 16)?

thanks matthias

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