[openstack-dev] Quota management and enforcement across projects

Jay Pipes jaypipes at gmail.com
Fri Nov 28 18:20:31 UTC 2014

On 11/17/2014 05:49 PM, Salvatore Orlando wrote:
> Hi all,
> I am resuming this thread following the session we had at the summit in
> Paris (etherpad here [1])
> While there was some sort of consensus regarding what this library
> should do, and how it should do it, the session ended with some open
> questions which we need to address before finalising the specification.
> There was a rather large consensus that the only viable architecture
> would be one where the quota management library owns resource usage
> data. However, this raises further concerns around:
> - ownership of resource usage records. As the quota library owns usage
> data, it becomes the authoritative source of truth for it. This could be
> problematic in some projects, particularly nova, where the resource
> tracker currently own usage data.

Well, just to be clear... the resource tracker in Nova owns the usage 
records for the compute node, not the usage records for a tenant or user 
(the quota driver and DB tables own that data).


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