[indiana-discuss] [pkg-discuss] zones w/ indiana

[Dan Price]

On Fri 02 May 2008 at 06:38AM, Mike Gerdts wrote:
> On Thu, May 1, 2008 at 10:54 PM, Steffen Weiberle
> <Steffen.Weiberle at sun.com> wrote:
> >  My unknown is the unexpected increase in zone size due to copy on write
> >  of the clone as different zones diverge from the snapshot.
> 
> Hopefully this post means that deduplication has a chance of finding its way in.
> 
> http://blogs.sun.com/erickustarz/entry/how_dedupalicious_is_your_pool
> 
> I would much prefer the resources be put toward deduplication rather
> than sparse zones.

I will be following up to zones-discuss in the near future with a more
technically thorough exploration of the tradeoffs surrounding this
topic.  While we need to do some decision making, I'd like to make sure
that we do so in an open and informed way.

This conversation has given me some good insight into what I'll need to
pull together in advance of that.  I've already spoken to folks on the
VM team about how to quanitfy the VM efficiences of sparse zones; I'll
follow up with the ZFS team in the near future.

        -dp

-- 
Daniel Price - Solaris Kernel Engineering - dp at eng.sun.com - blogs.sun.com/dp