From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Boris Derzhavets <bderzhavets@yahoo.com>
Cc: xen-devel@lists.xensource.com, dokter@icg.tugraz.at
Subject: Re: Phoronix Xen vs KVM vs Virtualbox benchmark with Ubuntu 11.10
Date: Tue, 1 Nov 2011 22:57:12 +0200 [thread overview]
Message-ID: <20111101205712.GL12984@reaktio.net> (raw)
In-Reply-To: <1320149947.1840.YahooMailClassic@web65918.mail.ac4.yahoo.com>
On Tue, Nov 01, 2011 at 05:19:07AM -0700, Boris Derzhavets wrote:
> Pasi,
>
> Have you asked yourself a question why Fedora and Ubuntu always patch and
> package
> Qemu-kvm-0.15(14)(13)(..).1.tar.gz , but not Qemu-0.15(14)(13)(..).1.tar.gz ?
> Just install a couple of src.rpms to take a look - what's inside.
>
I assume that's because full kvm support hasn't be merged to upstream qemu
so they need to ship separate qemu-kvm package.
-- Pasi
>
> --- On Tue, 11/1/11, Mark Dokter <dokter@icg.tugraz.at> wrote:
>
> From: Mark Dokter <dokter@icg.tugraz.at>
> Subject: Re: [Xen-devel] Phoronix Xen vs KVM vs Virtualbox benchmark with
> Ubuntu 11.10
> To: xen-devel@lists.xensource.com
> Date: Tuesday, November 1, 2011, 7:31 AM
>
> On 10/31/2011 10:40 PM, Pasi Kärkkäinen wrote:
> > Hello,
> >
>
> Hi!
>
> >
> [1]http://www.phoronix.com/scan.php?page=article&item=ubuntu_1110_xenkvm&num=1
> >
> > Ubuntu 11.10 with Xen 4.1.1 and Linux 3.0.
> >
>
> I've read the article and was surprised.
>
> > Xen seems to be doing very poorly on that benchmark.
> > If someone has time to repeat that benchmark it would be good..
> >
> > Comparing the results to those from Stefano from XenSummit 2011 NA there has
> be something wrong..
> > the results at XenSummit were pretty much the opposite compared to those by
> Phoronix.
> >
>
> In that test, the KVM machine uses virtio disk and nic devices, while
> the Xen machine uses the qemu emulated devices. Could that be the cause
> for the poor performance?
>
> > -- Pasi
>
> Mark
>
> _______________________________________________
> Xen-devel mailing list
> [2]Xen-devel@lists.xensource.com
> [3]http://lists.xensource.com/xen-devel
>
> References
>
> Visible links
> 1. http://www.phoronix.com/scan.php?page=article&item=ubuntu_1110_xenkvm&num=1
> 2. file:///mc/compose?to=Xen-devel@lists.xensource.com
> 3. http://lists.xensource.com/xen-devel
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2011-11-01 20:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-31 21:40 Phoronix Xen vs KVM vs Virtualbox benchmark with Ubuntu 11.10 Pasi Kärkkäinen
2011-11-01 11:31 ` Mark Dokter
2011-11-01 11:57 ` Ian Campbell
2011-11-01 13:26 ` Pasi Kärkkäinen
2011-11-01 21:43 ` Alex Bligh
2011-11-01 23:00 ` Ian Campbell
2011-11-01 12:19 ` Boris Derzhavets
2011-11-01 20:57 ` Pasi Kärkkäinen [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-11-02 13:08 Boris Derzhavets
2011-11-02 13:30 ` Konrad Rzeszutek Wilk
2011-11-02 13:34 ` Alex Bligh
2011-11-02 17:07 ` Alex Bligh
2011-11-02 17:30 ` Boris Derzhavets
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