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  1. ONOS
  2. ONOS-7856

Switch and port latency regression after Atomix 3.1 upgrade

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      Description

      It takes longer time (25%~300%) for ONOS to discover switch/port up/down events after upgrading to Atomix 3.1

      Steps to reproduce on BMs:

      1. Start ONOS with “drivers,openflow,metrics”

      2. Configure ONOS

      • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxEvents 1
      • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxBatchMs 0
      • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxIdleMs 0

      3. Start Mininet

      • sudo mn --custom ~/mininet/custom/topo-perf-2sw.py --topo mytopo --controller remote
      • sudo ovs-vsctl set-controller s1 tcp:10.192.19.68:6653
      • sudo ovs-vsctl set-controller s2 tcp:10.192.19.68:6653

      4. Link up/down

      • “s1 ifconfig s1-eth1 down”
      • Check “topology-events-metrics” from CLI (e.g. delay between Device and Graph Event Timestamp)
      • “s1 ifconfig s1-eth1 up”

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            Assignee:
            Unassigned
            Reporter:
            You You Wang
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              Updated:
              Resolved: