Re: [Xen-devel] Phoronix Xen vs KVM vs Virtualbox benchmark with Ubuntu 11.10

[Mark Dokter <dokter@xxxxxxxxxxxxx>]

On 10/31/2011 10:40 PM, Pasi Kärkkäinen wrote:
> Hello,
> 


Hi!

> 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

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