Comment 6 for bug 1289166

Reviewed: https://review.openstack.org/96489
Committed: https://git.openstack.org/cgit/openstack/ceilometer/commit/?id=f5a900c6225a7e6886f4cc860d7e11782e3e84ae
Submitter: Jenkins
Branch: master

commit f5a900c6225a7e6886f4cc860d7e11782e3e84ae
Author: gordon chung <email address hidden>
Date: Thu May 29 10:59:11 2014 -0400

    improve expirer performance for sql backend

    the model has been simplified which allows us to do bulk deletes
    rather than looping through and deleting records individually.
    this should improve performance significantly.

    Change-Id: Ie99880438d7415d805a94d78df648082d5161417
    Closes-Bug: #1289166