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After setting up Inter-Zone traffic optimization, users can track local network traffic to pinpoint actual Inter-Zone transfers by correlating with the accessed brokers.

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Command Tool for Monitoring Cross-AZ Traffic

  1. Monitor network traffic: On Linux, you can use iftop to view the inbound and outbound traffic between your machine and other IPs. The command is as follows:

iftop  -t -s 60 -L 100 -n
  1. Identify node availability zones: Query the cluster nodes of AutoMQ and the zones to which the nodes belong. The command is as follows:
./bin/kafka-broker-api-versions.sh --bootstrap-server $bootstrap_server | grep id
Match both outputs to see if Inter-Zone traffic is generated.

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Other

If your application is deployed on AWS, you can also monitor cross-zone traffic using CloudWatch’s Network Flow Monitor feature.
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