kolla-ansible

  1. Bug #1917068
  2. Comment #15

Comment 15 for bug 1917068

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to kolla-ansible (stable/ussuri)

Reviewed: https://review.opendev.org/c/openstack/kolla-ansible/+/799243
Committed: https://opendev.org/openstack/kolla-ansible/commit/2acd4f711467bafa6f7e6deddd966910be61a993
Submitter: "Zuul (22348)"
Branch: stable/ussuri

commit 2acd4f711467bafa6f7e6deddd966910be61a993
Author: Michal Arbet <email address hidden>
Date: Fri Feb 26 17:50:31 2021 +0100

    Allow user to set sysctl_net_ipv4_tcp_retries2

    This patch is adding configuration option to
    manipulate with kernel option sysctl_net_ipv4_tcp_retries2.

    More informations about kernel option in [1][2]
    and RedHat suggestion [3] to set for DBs and HA.

    [1]: https://pracucci.com/linux-tcp-rto-min-max-and-tcp-retries2.html
    [2]: https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/
    [3]: https://access.redhat.com/solutions/726753

    Closes-Bug: #1917068
    Change-Id: Ia0decbbfa4e33b1889b635f8bb1c9094567a2ce6
    (cherry picked from commit 09d0409ed4a69f514355925754e832e752f817ca)