[CentOS] XEN or KVM - performance/stability/security?

[Jonathan Vomacka]

On 4/20/2012 8:59 AM, Rafał Radecki wrote:
> Hi all.
>
> I am currently building a small test cloud based on Eucalyptus 2.0.3 and
> CentOS 5.8 x64. I have a choice which hypervisor to use: KVM or XEN.
> KVM is the default in CentOS 6 but I have read also many good things (for
> example PV guest machines, isolation between Dom0 and DomU) about XEN.
>
> Key factors from my opint of view are:
> - stability (which one runs more smoothly on CentOS?)
> - performance (XEN PV/HVM(with or without pv drivers) vs KVM HVM(with or
> without pv drivers))
> - security
>
> Could you share your experience in these areas?
>
> Best regards,
> Rafal Radecki.
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Xen all the way. That's just my opinion though.