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Type: Bug
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Status: Closed (View Workflow)
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Priority: Blocker
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Resolution: Fixed
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Affects Version/s: 2.0.0
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Fix Version/s: 2.0.0
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Component/s: None
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Labels:
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Environment:
3770b0815702cd1a7a1f4e2dada63cbc37fc109d
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Story Points:2
Port down latency got doubled after Karaf 4.2.2 upgrade. Specifically:
- Latency between OF handshake and DEVICE event increased by 2-3ms
- Latency between DEVICE event to LINK event doesn't seem to be affected
- Latency between LINK event to GRAPH event increased by 2-3ms
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 latency from "Received port status message" in karaf.log to Graph Event timestamp in “topology-events-metrics" CLI command
- “s1 ifconfig s1-eth1 up”