Comment 20 for bug 1922299

Reviewed: https://review.opendev.org/c/starlingx/openstack-armada-app/+/790321
Committed: https://opendev.org/starlingx/openstack-armada-app/commit/b7308b6107924b5e168885589cd9b2f6a0d21a0d
Submitter: "Zuul (22348)"
Branch: master

commit b7308b6107924b5e168885589cd9b2f6a0d21a0d
Author: Chen, Haochuan Z <email address hidden>
Date: Sat May 8 14:46:17 2021 +0800

    Fix oslo_db config mismatch error

    From openstack queen, oslo_db change default idle_time to 3600s
    https://github.com/openstack/oslo.db/blob/c49c96ff74190b9f1b1504eaa8a7ef66b8ae333f/oslo_db/options.py#L52
    which makes oslo_db timeout setting mismatch with mysqld in mariadb.
    Update setting in mariadb.

    Below two openstack issue report similar problem, check discuss and
    fix proposal in issue comment
    https://bugs.launchpad.net/oslo.db/+bug/1774544
    https://bugs.launchpad.net/openstack-ansible/+bug/1787517

    Closes-Bug: 1922299

    Change-Id: I8e41884f460f45ace7b7da8df87867ec32626c98
    Signed-off-by: Chen, Haochuan Z <email address hidden>