dawidwys opened a new pull request #13521: URL: https://github.com/apache/flink/pull/13521
## What is the purpose of the change This is part of https://cwiki.apache.org/confluence/display/FLINK/FLIP-140%3A+Introduce+batch-style+execution+for+bounded+keyed+streams ## Brief change log Please look at each commit message which describes in detail what is happening. 1. Implements the sorting DataInput 2. Makes the `StatusWatermarkValve` use the `DataOutput` passed in `DataInput#emitNext`. 3. Optionally injects the sorted input in the OneInputStreamTask ## Verifying this change This change added tests and can be verified as follows: * Added unit tests in `SortingDataInputTest` * Added an IT tests with a higher number of incoming records to sort in `SortingDataInputITCase` * Added end to end test `SortingBoundedInputITCase` ## 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, Kubernetes/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) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
