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Re: [Xen-devel] qemu-xen qdisk performance

On Mon, 13 Feb 2012, Roger Pau Monnà wrote:
> > Yes, great improvements.
> > The old qemu-xen uses threads to simulate async IO so it is very slow;
> > upstream QEMU uses Linux AIO and is much faster.
> That's great news, so qdisk performance in qemu-upstream should be
> similar to blktap?

Slightly better actually, from my very quick and dirty tests.
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