[openstack-dev] [nova][object] One question to the resource tracker session
andrew.laski at rackspace.com
Wed Nov 13 23:22:27 UTC 2013
On 11/13/13 at 11:12pm, Jiang, Yunhong wrote:
>Hi, Dan Smith and all,
> I noticed followed statement in 'Icehouse tasks' in https://etherpad.openstack.org/p/IcehouseNovaExtensibleSchedulerMetrics
> convert resource tracker to objects
> make resoruce tracker extensible
> no db migrations ever again!!
> extra specs to cover resources - use a name space
> How is it planned to achieve the 'no db migrations ever again'? Even with the object, we still need keep resource information in database. And when new resource type added, we either add a new column to the table. Or it means we merge all resource information into a single column as json string and parse it in the resource tracker object?.
You're right, it's not really achievable without moving to a schemaless
persistence model. I'm fairly certain it was added to be humorous and
should not be considered an outcome of that session.
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