ifndef-SleePy opened a new pull request #8946: [FLINK-13042][datastream] Make slot sharing configurable on StreamExecutionEnvironment URL: https://github.com/apache/flink/pull/8946 ## What is the purpose of the change * There is a requirement of Blink batch planner that providing a global setting that disabling slot sharing. To support that, will expose a `PublicEvolving` method on `StreamExecutionEnvironment` to globally disable slot sharing. * Note that, this method might be removed if there is a better approach to satisfy Blink batch planner in the future. * There is a discussion under https://github.com/apache/flink/pull/8931 at the moment * **This PR should not go forward until there is an agreement reached** ## Brief change log * Add a `PublicEvolving` method on `StreamExecutionEnvironment` to enable/disable slot sharing ## Verifying this change * Added integration tests to verify slot sharing behavior ## 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)`: **yes** - 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? **yes** maybe - If yes, how is the feature documented? **docs & JavaDocs**
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