Public bug reported: When subnets or security group ports quantity reach 2000+, there are many stale flows. Some basic exception procedure: (1) ovs-agent dump-flows (2) ovs-agent delete some flows (3) ovs-agent install new flows (with new cookies) (4) any exception raise in (2) or (3), such as (bug #1813705) (5) ovs-agent will do full sync again, then go back to (1) Finally it will get many stale flows installed, and sometimes cause data plane down.
This is a subproblem of bug #1813703, for more information, please see the summary: https://bugs.launchpad.net/neutron/+bug/1813703 ** Affects: neutron Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1813712 Title: [L2][scale issue] ovs-agent has multipe cookies flows (stale flows) Status in neutron: New Bug description: When subnets or security group ports quantity reach 2000+, there are many stale flows. Some basic exception procedure: (1) ovs-agent dump-flows (2) ovs-agent delete some flows (3) ovs-agent install new flows (with new cookies) (4) any exception raise in (2) or (3), such as (bug #1813705) (5) ovs-agent will do full sync again, then go back to (1) Finally it will get many stale flows installed, and sometimes cause data plane down. This is a subproblem of bug #1813703, for more information, please see the summary: https://bugs.launchpad.net/neutron/+bug/1813703 To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1813712/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp