[openstack-dev] [nova][limits] Does ANYONE at all use the quota class functionality in Nova?

Chris Friesen chris.friesen at windriver.com
Thu Oct 25 17:38:32 UTC 2018

On 10/24/2018 9:10 AM, Jay Pipes wrote:
> Nova's API has the ability to create "quota classes", which are 
> basically limits for a set of resource types. There is something called 
> the "default quota class" which corresponds to the limits in the 
> CONF.quota section. Quota classes are basically templates of limits to 
> be applied if the calling project doesn't have any stored 
> project-specific limits.
> Has anyone ever created a quota class that is different from "default"?

The Compute API specifically says:

"Only ‘default’ quota class is valid and used to set the default quotas, 
all other quota class would not be used anywhere."

What this API does provide is the ability to set new default quotas for 
*all* projects at once rather than individually specifying new defaults 
for each project.


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