neutron-openvswitch-agent eventually fails listing/creating high count of ports on network node.

asked 2018-06-28 00:19:37 -0500

I have been trying to create high number of network,subnet and vrfs so as high number of ports , but neutron ovs agent is fails with following error,

================================================================================= 2018-06-28 10:23:48.632 40956 ERROR neutron.agent.ovsdb.native.commands 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [req-f6ed7ec3-bfb6-4cfc-84c0-f9c3632972d8 - - - - -] Error while processing VIF ports 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback (most recent call last): 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2037, in rpc_loop 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent failed_devices, failed_ancillary_devices)) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in wrapper 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return f(args, *kwargs) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1854, in process_port_info 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent updated_ports_copy) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in wrapper 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return f(args, *kwargs) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1348, in scan_ports 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent updated_ports.update(self.check_changed_vlans()) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in wrapper 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return f(args, *kwargs) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1371, in check_changed_vlans 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent port_tags = self.int_br.get_port_tag_dict() 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/common/ovs_lib.py", line 520, in get_port_tag_dict 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent 'Port', columns=['name', 'tag'], if_exists=True) 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/common/ovs_lib.py", line 434, in get_ports_attributes 2018-06-28 10:23:48.632 40956 ERROR neutron.plugins.ml2.drivers.openvswitch.agent ... (more)

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