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[OpenStack Infra <1525295@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/256609
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=f5b950dffecc049df11981dcfb5574121be3eb69
Submitter: Jenkins
Branch:    master

commit f5b950dffecc049df11981dcfb5574121be3eb69
Author: Kevin Benton <blak111@xxxxxxxxx>
Date:   Fri Dec 11 09:56:01 2015 -0800

    Separate rbac calculation from _make_network_dict
    
    When a subnet dict was being created, it was calling
    _make_network_dict to get the 'shared' flag for the
    subnet. The issue with this is that the _make_network_dict
    function would iterate over the subnets on the passed in
    network object, which would trigger a database lookup
    of all of the subnets.
    
    This patch just separates the 'shared' flag calculation out
    into a separate function that both calls can leverage.
    
    Change-Id: I2cb766ce1fd8ddcc75209f9e92221a3b77015ea2
    Closes-Bug: #1525295
    Partial-Bug: #1513782


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

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https://bugs.launchpad.net/bugs/1525295

Title:
  subnet listing is too slow with rbac

Status in neutron:
  Fix Released

Bug description:
  subnet listing of 100 subnets takes about 2 seconds on a powerfull hardware.
  60% of the time is consumed by the calculation of 'shared' attribute of the subnet which involves rbac rules.

  This makes horizon barely usable as number of networks grow.

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