** Changed in: neutron
Status: Fix Committed => Fix Released
** Changed in: neutron
Milestone: None => liberty-3
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https://bugs.launchpad.net/bugs/1482554
Title:
skip setting up firewall filters for ports not attached to any
security groups
Status in neutron:
Fix Released
Bug description:
Not all neutron ports have security groups attached to them.
In OVS Neutron agent, when we try to process a newly discovered port (be it a
compute or network), we get the port details from the server and then try to
apply the firewall filters.
But typically for network (DHCP and L3) ports, we do not have any
security groups associated. We can actually skip the
setup_port_filters for these ports, which can help us save RPC
bandwidth and server processing time.
In scaled environments, any resync in L2 agent which is serving huge
number of DHCP ports, is taking longer time because of this
unnecessary workflow. Same thing applies to agent restart scenario as
well.
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