zhuzhurk opened a new pull request #10038: [FLINK-14375][runtime] Refactor task state updating to only notify scheduler about state changes that really happened URL: https://github.com/apache/flink/pull/10038 ## What is the purpose of the change This PR is to avoid fake state update. More details see LFINK-14375. Besides that, it also has a few other benefits: 1. we can get rid of the hack code in Execution#processFail 2. all states are possible to be notified to SchedulingStrategy, i.e. it solves FLINK-14233 ## Brief change log - *Change DefaultScheduler to not handle the state update in SchedulerBase#updateTaskExecutionState* - *Change ExecutionGraph to notify all execution state changes to scheduler* ## Verifying this change This change is already covered by existing tests in DefaultSchedulerTest and IT cases. ## 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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