netdev - Re: [RFC] kvm tools: Implement multiple VQ for virtio-net

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Message-ID: <CAOJsxLE4yRO+5XncrDEzVh5-RGXG+=HGTAmQ=bX=KMsDqf=feA@mail.gmail.com>
Date:	Mon, 14 Nov 2011 14:25:17 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Asias He <asias.hejun@...il.com>
Cc:	Sasha Levin <levinsasha928@...il.com>,
	"Michael S. Tsirkin" <mst@...hat.com>, kvm@...r.kernel.org,
	mingo@...e.hu, gorcunov@...il.com,
	Krishna Kumar <krkumar2@...ibm.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [RFC] kvm tools: Implement multiple VQ for virtio-net

On Mon, Nov 14, 2011 at 4:04 AM, Asias He <asias.hejun@...il.com> wrote:
> Why both the bandwidth and latency performance are dropping so dramatically
> with multiple VQ?

What's the expected benefit from multiple VQs i.e. why are doing the
patches Sasha?
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