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[OpenStack Infra <1497272@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/338129
Committed: https://git.openstack.org/cgit/openstack/openstack-ansible-os_neutron/commit/?id=0b8721141f9b526ba4902f5cfc53f05c2fc0758e
Submitter: Jenkins
Branch:    master

commit 0b8721141f9b526ba4902f5cfc53f05c2fc0758e
Author: Jean-Philippe Evrard <jean-philippe.evrard@xxxxxxxxxxxxxxx>
Date:   Wed Jul 6 10:10:52 2016 +0100

    Use UCA for non-OVS neutron
    
    This commit refactors tasks to allow the use of UCA for Linux Bridge.
    It also changes default behavior: now every neutron install will
    make use of Ubuntu Cloud Archive, unless mentionned.
    
    Closes-Bug: 1497272
    Closes-Bug: 1433172
    
    Change-Id: I4373f544eb178720f33795a71adae925a8b8cb03
    Signed-off-by: Jean-Philippe Evrard <jean-philippe.evrard@xxxxxxxxxxxxxxx>


** Changed in: openstack-ansible
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1497272

Title:
  L3 HA: Unstable rescheduling time for keepalived v1.2.7

Status in neutron:
  Triaged
Status in openstack-ansible:
  Fix Released
Status in openstack-manuals:
  Triaged

Bug description:
  I have tested work of L3 HA on environment with 3 controllers and 1 compute (Kilo) with this simple scenario:
  1) ping vm by floating ip
  2) disable master l3-agent (which ha_state is active)
  3) wait for pings to continue and another agent became active
  4) check number of packages that were lost

  My results are  following:
  1) When max_l3_agents_per_router=2, 3 to 4 packages were lost.
  2) When max_l3_agents_per_router=3 or 0 (meaning the router will be scheduled on every agent), 10 to 70 packages were lost.

  I should mention that in both cases there was only one ha router.

  It is expected that less packages will be lost when
  max_l3_agents_per_router=3(0).

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