Re: [PATCH net-net 0/4] Increase the limit of tuntap queues

From: Alexei Starovoitov
Date: Tue Nov 18 2014 - 20:43:14 EST

On Tue, Nov 18, 2014 at 8:22 AM, Pankaj Gupta <pagupta@xxxxxxxxxx> wrote:
> Networking under KVM works best if we allocate a per-vCPU rx and tx
> queue in a virtual NIC. This requires a per-vCPU queue on the host side.
> I have done some testing to find out any regression and with sample program
> which creates tun/tap for single queue / multiqueue device and it seems to be
> working fine. I will also post the performance numbers.

Sounds quite exciting.
please share recommended setup (queue assignments) and
performance gains you're seeing.
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