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SubjectRe: [PATCH 0/11] ksm: NUMA trees and page migration
On 01/29/2013 01:54 AM, Andrew Morton wrote:
> On Fri, 25 Jan 2013 17:53:10 -0800 (PST)
> Hugh Dickins <hughd@google.com> wrote:
>
>> Here's a KSM series
> Sanity check: do you have a feeling for how useful KSM is?
> Performance/space improvements for typical (or atypical) workloads?
> Are people using it? Successfully?

Hi,
I think it mostly used for virtualization, I know at least two products
that it use -
RHEV - RedHat enterprise virtualization, and my current place (Ravello
Systems) that use it to do vm consolidation on top of cloud enviorments
(Run multiple unmodified VMs on top of one vm you get from ec2 /
rackspace / what so ever), for Ravello it is highly critical in
achieving high rate
of consolidation ratio...

>
> IOW, is it justifying itself?



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