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Posted to issues@flink.apache.org by "Eric Xiao (Jira)" <ji...@apache.org> on 2023/04/20 20:25:00 UTC

[jira] [Created] (FLINK-31873) Add setMaxParallelism to the DataStreamSink Class

Eric Xiao created FLINK-31873:
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             Summary: Add setMaxParallelism to the DataStreamSink Class
                 Key: FLINK-31873
                 URL: https://issues.apache.org/jira/browse/FLINK-31873
             Project: Flink
          Issue Type: Bug
          Components: API / DataStream
            Reporter: Eric Xiao


When turning on Flink reactive mode, it is suggested to convert all `setParallelism` calls to `setMaxParallelism`, [elastic scaling|https://nightlies.apache.org/flink/flink-docs-release-1.17/docs/deployment/elastic_scaling/#configuration].

With the current implementation of the `DataStreamSink`, only the [`setParallelism` function|https://github.com/apache/flink/blob/master/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/DataStreamSink.java#L172-L181] of the [`Transformation` class is exposed - `Transformation` also has the `setMaxParallelism` function which is not exposed|https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/dag/Transformation.java#L248-L285].



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