Nova hasn't used the quota usages table since Pike:
https://specs.openstack.org/openstack/nova-specs/specs/pike/implemented/cells-count-resources-to-check-quota-in-api.html
Nova hasn't used the quota usages table since Pike:
https:/ /specs. openstack. org/openstack/ nova-specs/ specs/pike/ implemented/ cells-count- resources- to-check- quota-in- api.html