On Mon, Feb 19, 2018 at 10:42:08AM +0000, Laurence Pawling wrote:
> > When using >1 vCPUs can you set hw.xn.num_queues=1 on
> > /boot/loader.conf and try to reproduce the issue?
> > I'm afraid this is rather related to multiqueue (which is only used
> > if >1 vCPUs).
> > Thanks, Roger.
> Roger - thanks for your quick reply, this is confirmed. Setting
> hw.xn.num_queues=1 on the server VM when vCPUs > 1 prevents the issue.
I've also been told that in order to discard this being a XenServer
specific issue you should execute the following on Dom0 and reboot the
# xe-switch-network-backend bridge
And then try to reproduce the issue again with >1 vCPUs (and of course
removing the queue limit in loader.conf)
> For reference, please can you comment on the performance impact of this?
I'm afraid I don't have any numbers.
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