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[Liyingjun <liyingjun1988@xxxxxxxxx>]

** Also affects: oslo
   Importance: Undecided
       Status: New

** Changed in: oslo
     Assignee: (unassigned) => Liyingjun (liyingjun)

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https://bugs.launchpad.net/bugs/1277068

Title:
  Multiple db calls in some quota methods

Status in OpenStack Compute (Nova):
  In Progress
Status in Oslo - a Library of Common OpenStack Code:
  New

Bug description:
  in nova/quota.py
  db.quota_get_all_by_project is called twice in method limit_check(): https://github.com/openstack/nova/blob/master/nova/quota.py#L356 and
  reserve(): https://github.com/openstack/nova/blob/master/nova/quota.py#L424

  db.quota_get_all_by_project_and_user is called twice in method
  get_settable_quotas():
  https://github.com/openstack/nova/blob/master/nova/quota.py#L272

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