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[OpenStack Infra <1815771@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/636645
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=479a2a0afaeb505c371ee97a1f2fbc1b11e3cef1
Submitter: Zuul
Branch:    master

commit 479a2a0afaeb505c371ee97a1f2fbc1b11e3cef1
Author: Jose Castro Leon <jose.castro.leon@xxxxxxx>
Date:   Wed Feb 13 15:54:39 2019 +0100

    Adds caching of credentials
    
    Allows to cache the credentials as they are currently fetched
    directly from the database
    
    Change-Id: I9a706ac506b0f65402f2433e6fd56097e0830657
    Closes-Bug: #1815771


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

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https://bugs.launchpad.net/bugs/1815771

Title:
  Credentials are not cached

Status in OpenStack Identity (keystone):
  Fix Released

Bug description:
  While trying to improve performance on validation of EC2 credentials,
  we have just realized than the credentials are always fetched from the
  underlying database.

  If there is a flood on credential validation, this will transform in a
  increase of load on the database server that could impact the service.

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