[Openstack] Instance IDs and Multiple Zones
chris.behrens at RACKSPACE.COM
Tue Mar 22 18:47:52 UTC 2011
Without fixing the integer ID problem, I'd vote for reserving some bits for zone ID. I don't like the idea assigning ranges to zones. But I think the right answer is to fix the integer ID problem.
On Mar 22, 2011, at 11:28 AM, Ed Leafe wrote:
> On Mar 22, 2011, at 1:45 PM, Jon Slenk wrote:
>> if the schema cannot be changed (which might be worth reconsidering
>> since it seems to be a bit of a root cause of trouble) then maybe you
>> have to reserve the last 4 or 5 digits of the id to be the zone id,
>> and then autoincrement on top of that? on the assumption that there
>> would be a limit of 9999 or 99999 zones ever.
> Just to be clear: I would not have been in favor of using integer IDs. However, this was discussed and settled before I was actively involved in the OpenStack code, so I didn't want to have this devolve into a resurrection of what had already been decided. If someone wants to restart that discussion, I'd certainly be interested, but that's not what I'm looking for in this thread.
> The question before us is: given integer IDs, what is the best way to handle the added complexity of multiple zones?
> -- Ed Leafe
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