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[OpenStack Infra <2023670@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/886005
Committed: https://opendev.org/openstack/neutron/commit/afa20faec3c37bd06346360cadbad0d69e9925f0
Submitter: "Zuul (22348)"
Branch:    master

commit afa20faec3c37bd06346360cadbad0d69e9925f0
Author: Lucas Alvares Gomes <lucasagomes@xxxxxxxxx>
Date:   Tue Jun 13 15:53:54 2023 +0100

    [OVN] Improve Hash Ring logs
    
    Debugging Hash Ring problems can be difficult challenge given that prior
    to this patch the logs were very limited.
    
    This patch improves the logging for this feature as follow:
    
    1. Log when a node is added to the ring
    2. Log when nodes are removed from the ring
    3. Keep track the number of offline nodes and log it upon loading the
       ring
    4. Improve the "Hash Ring is empty" exception with the number of offline
       nodes found (if 0, means the ovn_hash_ring table has no entries)
    
    Closes-Bug: #2023670
    Change-Id: Ic90432b5ddea8cf176de159ec7eaafd5fd7bdd6e
    Signed-off-by: Lucas Alvares Gomes <lucasagomes@xxxxxxxxx>


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

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https://bugs.launchpad.net/bugs/2023670

Title:
  [OVN] Improve Hash Ring logs

Status in neutron:
  Fix Released

Bug description:
  Related to: https://bugzilla.redhat.com/show_bug.cgi?id=2213910

  Debugging Hash Ring problems can be difficult due to the lack of logs,
  especially if debug is not enabled. There are no logs to indicate when
  nodes are added or removed from the ring. There's also no logs that
  tells how many nodes are active or offline. And the "Hash Ring is
  empty" exception does not indicate whether the nodes are just offline
  or if the ovn_hash_ring table is empty.

  We need to improve the logging for this feature.

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