From: "Daniel P. Berrange" <berrange@redhat.com>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: "Brian J. Murrell" <brian@interlinx.bc.ca>, kvm@vger.kernel.org
Subject: Re: 5x slower guest disk performance with virtio disk
Date: Thu, 15 Dec 2011 17:27:12 +0000 [thread overview]
Message-ID: <20111215172712.GC16183@redhat.com> (raw)
In-Reply-To: <1323969382.3992.21.camel@lappy>
On Thu, Dec 15, 2011 at 07:16:22PM +0200, Sasha Levin wrote:
> On Thu, 2011-12-15 at 11:55 -0500, Brian J. Murrell wrote:
> > So, about 2/3 of host speed now -- which is much better. Is 2/3 about
> > normal or should I be looking for more?
>
> aio=native
>
> Thats the qemu setting, I'm not sure where libvirt hides that.
<disk ...>
<driver io='threads|native'/>
...
</disk>
Regards,
Daniel
--
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next prev parent reply other threads:[~2011-12-15 17:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-15 14:28 5x slower guest disk performance with virtio disk Brian J. Murrell
2011-12-15 15:47 ` Stefan Pietsch
2011-12-15 16:55 ` Brian J. Murrell
2011-12-15 17:16 ` Sasha Levin
2011-12-15 17:27 ` Daniel P. Berrange [this message]
2011-12-15 19:43 ` Brian J. Murrell
2011-12-16 2:47 ` Simon Wilson
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