HuangZhenQiu opened a new pull request #10980: [FLINK-12343][yarn] add yarn file replication option URL: https://github.com/apache/flink/pull/10980 ## What is the purpose of the change Add yarn file replication option, so that users can specify how many replications of a hdfs file (for example, the flink libs job jars) should be created. ## Brief change log Added yarn config option yarn.file-replication, so that Flink user can add replication number for large jobs ( more than 256 containers) to efficiently download jars into each node manager and start containers. ## Verifying this change This change added tests and can be verified as follows: - Added integration tests for end-to-end deployment the replication option configured to 4. ## 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? (yes) - If yes, how is the feature documented? (not documented)
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