** Changed in: neutron
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1813712
Title:
[L2][scale issue] ovs-agent has multipe cookies flows (stale flows)
Status in neutron:
Fix Released
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
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