Hi Kevin,

On Tuesday 14 July 2015 05:55 PM, Traynor, Kevin wrote:

[kt] I would check your core affinitization to ensure that the vswitchd

pmd is on a separate core to the vCPUs (set with other_config:pmd-cpu-mask).


I hope you mean host CPUs. Is that right ?

Also, this test is not using the DPDK vitrio PMD in the guest which provides

performance gains.


In the above topology, VM1-VM2 communication happens within same host.
So, would that still require dpdk virtio pmd ? But, VM1 has to also communicate with VM3 (in remote host). How can we address flow rules related to VM1 for both
the cases ?

I'm also trying to understand if dpdk virtio pmd can support overlay tunnel ? Currently, in test, I made use of ovs integration bridge to connect vhost-user netdev and vxlan port, and then through external ovs bridge connecting dpdk0 port. Would
that not be required incase of virtio pmd driver case ?

Appreciating your help to more understand on this perf problem.

Regards,
Gowrishankar
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