[Lxc-users] Copy-on-write hard-link / hashify feature

[Gordan Bobic]

On 06/10/2010 09:54 PM, Gordon Henderson wrote:
> On Thu, 10 Jun 2010, John Drescher wrote:
>
>> BTW, a second option is lessfs.
>>
>> http://www.lessfs.com/wordpress/?page_id=50
>
> What about the KSM kernel option? It's aimed at KVM I think and in the
> kernel from 2.6.32. See:
>
>    http://lwn.net/Articles/306704/
> and
>    http://lwn.net/Articles/330589/
>
> Not sure if that could be used to help here - it seems a bit of a
> retrospective way to find data duplications - assuming we could enable it
> for whole containers...

I've been thinking about that, too. Here's the thread I started on the 
KVM mailing list, detailing the approach I was thinking about:

http://www.spinics.net/lists/kvm/msg36193.html

Gordan