[Bug 1582585] Please test proposed package

[Corey Bryant]

Hello jackning, or anyone else affected,

Accepted keystone into newton-proposed. The package will build now and
be available in the Ubuntu Cloud Archive in a few hours, and then in the
-proposed repository.

Please help us by testing this new package. To enable the -proposed
repository:

  sudo add-apt-repository cloud-archive:newton-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-newton-needed to verification-newton-done. If it does
not fix the bug for you, please add a comment stating that, and change
the tag to verification-newton-failed. In either case, details of your
testing will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!

** Changed in: cloud-archive/newton
       Status: Triaged => Fix Committed

** Tags added: verification-newton-needed

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https://bugs.launchpad.net/bugs/1582585

Title:
  the speed of query user from ldap server is very slow

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive mitaka series:
  Triaged
Status in Ubuntu Cloud Archive newton series:
  Fix Committed
Status in OpenStack Identity (keystone):
  Fix Released
Status in keystone package in Ubuntu:
  Invalid
Status in keystone source package in Xenial:
  Triaged

Bug description:
  In our project, the speed of query user from ldap server is very
  slow,our ldap user number is 12,000,the query costs almost 45 seconds

  The reason is that keystone will generate the uuid for the ldap users one by one and insert db.And second query time later,it also goes to db,not use the cache.
  So adding the cache to improve the query speed

  After adding @MEMOIZE to the following function
  https://github.com/openstack/keystone/blob/master/keystone/identity/core.py#L580.
  First query time almost costs 50 seconds,but second query time later it only costs 7 seconds.

  So it is very necessary to improve this feature

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