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https://issues.apache.org/jira/browse/FLINK-14700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-14700:
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Component/s: Test Infrastructure
> 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
> Components: Test Infrastructure
> Reporter: Zheng Hu
> Priority: Major
>
> 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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