ovsdbapp.exceptions.TimeoutException in functional tests

Bug #1815142 reported by Boden R on 2019-02-07
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Rodolfo Alonso

Bug Description

It appears that as of recent we've been getting some OVS timeouts in various functional jobs [1].
One example is [2] that has a exception message with:

ovsdbapp.exceptions.TimeoutException: Commands [<ovsdbapp.schema.open_vswitch.commands.AddBridgeCommand object at 0x7fcea2645990>, <ovsdbapp.backend.ovs_idl.command.DbAddCommand object at 0x7fcea2645f10>, <ovsdbapp.backend.ovs_idl.command.DbSetCommand object at 0x7fcea5ab45d0>] exceeded timeout 10 seconds

Based on the logstash query [1] it appears this occasionally impacts functional jobs for neutron and networking-ovn.

[1] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%20%5C%22ovsdbapp.exceptions.TimeoutException%3A%20Commands%5C%22
[2] http://logs.openstack.org/83/633283/2/check/neutron-functional-python27/48c9c98/job-output.txt.gz#_2019-02-07_12_36_06_518870

Slawek Kaplonski (slaweq) wrote :

It is very similar issue to reported some time ago https://bugs.launchpad.net/neutron/+bug/1802640
I will not mark it as duplicate for now because it is related to different job and timeout happens in different commands for both bugs but for me it looks like the same issue underneath.

Changed in neutron:
status: New → Confirmed
importance: Undecided → High

I think this could be solved (or at least mitigated) with https://bugs.launchpad.net/neutron/+bug/1817022

Fix proposed to branch: master
Review: https://review.openstack.org/642721

Changed in neutron:
assignee: nobody → Rodolfo Alonso (rodolfo-alonso-hernandez)
status: Confirmed → In Progress

Reviewed: https://review.openstack.org/642721
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=30e901242f71f783fe06f775b20afa01da41d72f
Submitter: Zuul
Branch: master

commit 30e901242f71f783fe06f775b20afa01da41d72f
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Tue Mar 12 10:59:18 2019 +0000

    Increase timeouts for OVSDB in functional tests

    Increased timeouts for OVSDB connection:
      - ovsdb_timeout = 30

    This patch will mitigate the intermittent timeouts the CI is
    experiencing while running the functional tests.

    Change-Id: I97a1d170926bb8a69dc6f7bb78a785bdea80936a
    Closes-Bug: #1815142

Changed in neutron:
status: In Progress → Fix Released
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