kl0u opened a new pull request #10194: [FLINK-14758] Add Executor-related interfaces and executor discovery. URL: https://github.com/apache/flink/pull/10194 ## What is the purpose of the change This PR introduces the basic mechanisms for the `Executors` and [FLIP-73](https://cwiki.apache.org/confluence/display/FLINK/FLIP-73%3A+Introducing+Executors+for+job+submission). Namely the `Executor` interface, the `ExecutorFactory` and their discovery based on java service discovery. In addition, it wires the discovery to the `ExecutionEnvironment` and the `StreamExecutionEnvironment` but this has no effect, as the existing environments override the `execute()` method. ## Brief change log Described above and in the referenced FLIP. ## Verifying this change This change added tests and can be verified by running the two `ExecutorDiscoveryTest`s, one in `flink-java` and one in `flink-streaming-java`. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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