azagrebin opened a new pull request #8608: [FLINK-11392][network] Introduce ShuffleEnvironment interface URL: https://github.com/apache/flink/pull/8608 ## What is the purpose of the change Extract `ShuffleEnvironment` interface from `NetworkEnvironment`. ## Brief change log - Add page size config also to `TaskManagerServicesConfiguration` because this general option is also used for `MemoryManager` independently from `NetworkEnvironment`. Any other `ShuffleEnvironment` can potentially use its own page size. - Extract `ShuffleEnvironment` interface from `NetworkEnvironment` with its public methods. - Make `NetworkEnvironment` its default implementation - Rename `NetworkEnvironment` to `NettyShuffleEnvironment`. ## Verifying this change Refactoring covered by existing tests. ## 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: (no) - 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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