tillrohrmann opened a new pull request #8096: [FLINK-12075][yarn] Set RestOptions.BIND_PORT only to 0 if not specified URL: https://github.com/apache/flink/pull/8096 ## What is the purpose of the change This PR changes the YarnEntrypointUtils#loadConfiguration so that it only sets RestOptions.BIND_PORT to 0 if it has not been specified. This allows to explicitly set a port range for Yarn applications which are running behind a firewall, for example. Moreover, this PR updates the flink-conf.yaml to contain the new rest options and comments out the `rest.port` per default so that it will be set to `0` in the Yarn case. ## Verifying this change * Added `YarnEntrypointUtilsTest` ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable)
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