[CentOS-virt] Virtualisation, guests cached memory and density

Fri Feb 8 12:13:31 UTC 2013
Karanbir Singh <mail-lists at karan.org>


On 02/08/2013 12:04 PM, Nux! wrote:
>> Xen, because of the way it works, will always get to higher density /
>> performance than KVM when desity and reasonable performance are on the
>> plate.
> Does this apply to HVM or just paravirt? I would need HVM (need to run 
> freebsd).

KSM will only work with KVM guests.. however Xen as something called
Tmem that ultimately targets similar goals and works for pv guests
as-is, but needs a Tmem capable kernel in the HVM guest, if they are to
use it as well.

- KB

Karanbir Singh
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