Hello, I have a server which has two NUMA nodes and I want to host many small size virtual machines on this server. Is it possible to provide network connectivity for all virtual machines even if they are scheduled to run on a different NUMA node that the DPDK enabled NIC connected?
According to the following link some virtual machines may be disconnected if they are scheduled on different NUMA nodes, but the post is a bit old, do you know the current status of OVS+DPDK with single NIC and multiple NUMA nodes? https://developers.redhat.com/blog/2017/06/28/ovs-dpdk-parameters-dealing-with-multi-numa#dpdk_init If pmd-cpu-mask is set, OVS-DPDK will poll DPDK interfaces with a core of it that is on the same NUMA node as the interface. If there are no cores in pmd-cpu-mask for a particular NUMA node, physical NICs or VMs on that NUMA node cannot be used. Regards,
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