wsry opened a new pull request #10627: [FLINK-15308][runtime] Remove data compression for pipelined shuffle. URL: https://github.com/apache/flink/pull/10627 ## What is the purpose of the change This PR removes data compression for pipelined shuffle mode. The feature may be added in the future version of Flink if there is a better solution. ## Brief change log - The code and document relevant to data compression for pipeline mode is removed. ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## 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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