The biggest improvement will be switching to native netlink calls: https://review.openstack.org/#/c/470912/ How many VMs were on a single compute node? On Mon, Sep 11, 2017 at 9:15 AM, Ajay Kalambur (akalambu) < akalambu at cisco.com> wrote: > Hi > I am performing a scale test and I see that after creating 500 Vms with > ping traffic between them it took almost 1 hr for the connection tracking > To clean up and ovs agent was busy doing this and unable to service any > new port bind requests on some computes for almost an hr > It took that long for conntrack clean up to complete > > > I see the following bug > https://bugs.launchpad.net/neutron/+bug/1513765 > > And I also have the fix below > https://git.openstack.org/cgit/openstack/neutron/commit/?id= > d7aeb8dd4b1d122e17eef8687192cd122b79fd6e > > > Still see really long times for conntrack cleanup > > What is the solution to this problem in scale scenarios? > Ajay > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20170911/85c003a6/attachment.html>