Comment 5 for bug 1479429

Reviewed: https://review.openstack.org/338896
Committed: https://git.openstack.org/cgit/openstack/aodh/commit/?id=b11d9368a140883ef1ff3924f22377f4006c3a7b
Submitter: Jenkins
Branch: master

commit b11d9368a140883ef1ff3924f22377f4006c3a7b
Author: Mehdi Abaakouk <email address hidden>
Date: Thu Jul 7 13:30:29 2016 +0200

    gnocchi: always set needed_overlap for aggregation

    gnocchi_aggregation_by_resources_threshold set needed_overlap
    to workaround #1479429, we should do the same for
    gnocchi_aggregation_by_metrics_threshold.

    This change does it.

    Related-bug: #1479429
    Change-Id: I283200e23d69dbd174f990722711d6b538fe42e3