Comment 5 for bug 1194438

Reviewed: https://review.openstack.org/34812
Committed: http://github.com/openstack/quantum/commit/364e97b44158976dca923bcf9ff5dff926da5dc4
Submitter: Jenkins
Branch: master

commit 364e97b44158976dca923bcf9ff5dff926da5dc4
Author: Peter Feiner <email address hidden>
Date: Tue Jun 18 20:48:30 2013 +0000

    faster quantum-openvswitch-agent periodic reports

    One of two patches that fixes bug #1194438.

    Instead of spawning ovs-vsctl for every port on br-int, we just dump the
    required columns from the Interfaces table and grab the rows that we need. This
    is a big win because the time it takes for ovs-vsctl to connect to the
    openvswitch controller is orders of magnitude greater than the time it takes to
    parse the rows. In practice, instead of taking roughly 1s per interface, the
    agent's periodic task only takes 1s in total.

    Change-Id: Idbf32c38e0c4a9c9634c1e4f0e79bd556b720493