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[Andrey Kurilin <andr.kurilin@xxxxxxxxx>]

https://review.openstack.org/#/c/473571/1 fix

** Changed in: keystone
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1697263

Title:
  Performance of authentication decresead in 5 times

Status in OpenStack Identity (keystone):
  Fix Released

Bug description:
  While playing with rally-gates results, I discovered that performance
  of authentication method worsened.

  Trends report: http://andreykurilin.me/trends/trends_gate-rally-dsvm-
  rally-ubuntu-xenial.html#/Authenticate.keystone

  As for that scenario, it tries to authenticate 40 times in 20 threads.
  Min time of authentication doesn't change a lot, but average and
  maximum taken time increased in ~5 times.

  NOTE: results are taken from merged patches for rally project

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