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[Steve Martinelli <stevemar@xxxxxxxxxx>]

fixed by https://review.openstack.org/#/c/215715/

** Changed in: keystone
    Milestone: None => mitaka-3

** Tags removed: liberty-backport-potential

** Changed in: keystone
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1537617

Title:
  caching of the catalog does not invalidate across processes

Status in OpenStack Identity (keystone):
  Fix Released

Bug description:
  Due to the way dogpile.cache works, the region-wide invalidation used
  in the catalog caching backend is broken, since this will only
  invalidate the local in-memory region and is not shared across
  backends.

  This will produce odd effects when adding/removing endpoints if caching is enabled such as the endpoints needing to wait a significant period of time
  for the cache to expire on some workers while others will see the change immediately.

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