On 10-11-12 09:57 AM, Todd Deshane wrote:
> I'd be happy to run some benchmarks. I've got some
identical (if humble)
> machines... Would you want just a Xen vs. KVM? If so, what parameters or
> setup options would provide the best apples to apples comparison?
>
> The machines are;
> - quad core athlon II x4
> - 4gb ddr3
> - 1x 7200rom 500GB drive
> - Fedora 14, stripped (but identical) installs
>
> If these are too low end for useful results, let me know. Otherwise,
> I'll fire up Xen under Michael's 2.6.32-25-172 kernel with the stock
> 4.0.1 hypervisor on one machine, and can use the stock KVM/QEMU setup
> for another.
>
> Assuming all is fine, would it matter whether the VMs were F14 vs CentOS
> 5.5?
>
> I was thinking 3x runs each of;
>
> - bonnie++
> - Recompile Michael's kernel
> - ?? Please make suggestions
There is also an ongoing discussion about Xen vs. KVM performance on
the CentOS virt list
http://lists.centos.org/pipermail/centos-virt/2010-October/002074.html
One thing I can say already, I've been unable to get Fedora 14 to start
as a KVM VM with more than one CPU. I'm having to rework my test bed to
use RHEL 6.0 now that it's out and hope that it solves the problem. :)
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