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Re: Xen hypervisor vs OpenVZ [message #42353 is a reply to message #42350] Tue, 05 April 2011 16:40 Go to previous messageGo to previous message
ckkashyap is currently offline  ckkashyap
Messages: 9
Registered: March 2011
Location: India
Junior Member
>
> I don't know, but I would consider the real competition to be between
> OpenVZ and libvirt/KVM - I don't think Xen is going anywhere in the long
> term.
>
> KVM supports the use of kernel-same-page-merging (KSM), which OpenVZ
> doesn't (yet?). For some applications KSM can be a big win...
>
> We currently use/support both OpenVZ and kvm.
>
> Tim.
>
>
> Thanks Tim ... from a pure performance standpoint, I'd imagine that any
kind of emulation/virtualization would have an overhead which is more than
openvz . So, if the usecase does not involve running different kernels, then
openvz style partitioning of system resources would yield more performance.
I am looking for more evidence supporting that :)

Regards,
Kashyap

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