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Also keep in mind that UUIDs alone may not be sufficient. As was
discussed previously in a marathon ID rename thread, we have to
handle the case of federated zones gone bad that could purposefully
produce UUIDs that collide. We may want any extra namespace such as
"account:uuid" or "zone:uuid", but of course we need to figure out
federated account and zone details first.

-Eric

On Mon, May 23, 2011 at 05:28:20PM +0000, Jorge Williams wrote:
> +1
> 
> On May 23, 2011, at 11:54 AM, Vishvananda Ishaya wrote:
> 
> > So I think we've identified the real problem...
> > 
> > :)
> > 
> > sounds like we really need to do the UUID switchover to optimize here.
> > 
> > Vish
> > 
> > On May 23, 2011, at 9:42 AM, Jay Pipes wrote:
> > 
> >> On Mon, May 23, 2011 at 12:33 PM, Brian Schott
> >> <brian.schott at nimbisservices.com> wrote:
> >>> Why does getting the instance id require the API to block?  I can create 1 or 1000 UUIDs in order (1) time in the API server and hand back 1000 instance ids in a list of <server> entries in the same amount of time.
> >> 
> >> Instance IDs aren't currently UUIDs :) They are auto-increment
> >> integers that are local to the zone database. And because they are
> >> currently assigned by the zone, the work of identifying the
> >> appropriate zone to place a requested instance in would need to be a
> >> synchronous operation (you can't have the instance ID until you find
> >> the zone to put it in).
> >> 
> >> -jay
> >> 
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