Public bug reported: The function "_update_arp_entry" [1] was called under a double loop [2][3], and it has a "device.exists()" check [4]. When there are tons of ports under the router, the router processing time will definitely increase.
[1] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L249 [2] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L288-L290 [3] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L291 [4] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L260 ** Affects: neutron Importance: Medium Assignee: LIU Yulong (dragon889) 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/1856839 Title: [L3] router processing time increase if there are large large set ports Status in neutron: New Bug description: The function "_update_arp_entry" [1] was called under a double loop [2][3], and it has a "device.exists()" check [4]. When there are tons of ports under the router, the router processing time will definitely increase. [1] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L249 [2] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L288-L290 [3] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L291 [4] https://github.com/openstack/neutron/blob/master/neutron/agent/l3/dvr_local_router.py#L260 To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1856839/+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
