Zheng Hu created FLINK-14700:
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Summary: Consider to set the random listen port in e2e flink
cluster.
Key: FLINK-14700
URL: https://issues.apache.org/jira/browse/FLINK-14700
Project: Flink
Issue Type: Sub-task
Reporter: Zheng Hu
Have a discussion with [~chesnay] in PR
https://github.com/apache/flink/pull/10106 , we plan to set the ports of e2e
testing flink cluster to be 0, which means it will select the port randomly to
bind & listen. That would be helpful to avoid port conflicts when running
parallel e2e tests. But that need some way to find the listen port because
the tests will wait the port to be available ( by requesting to the port
repeatably). we discussed the three ways to find the port:
1. Sweep the listening ports;
2. MiniCluster pre-check the available ports and choose one to listen , then
persist the port to flink-conf.xml;
3. A regular parser to extract the binded port in log messages;
...
Anyway, filed the issue to address the things here, will try to fix it.
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