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Eric Xiao commented on FLINK-31873: ----------------------------------- Thanks [~martijnvisser] and [~luoyuxia], I will start with opening up a thread in the Dev mailing list before making a FLIP :). > 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 > Priority: Major > Attachments: Screenshot 2023-04-20 at 4.33.14 PM.png > > > When turning on Flink reactive mode, it is suggested to convert all > {{setParallelism}} calls to {{setMaxParallelism from the }}[elastic scaling > docs|https://nightlies.apache.org/flink/flink-docs-release-1.17/docs/deployment/elastic_scaling/#configuration]. > With the current implementation of the {{DataStreamSink}} class, only the > {{[setParallelism|https://github.com/apache/flink/blob/master/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/DataStreamSink.java#L172-L181]}} > function of the > {{[Transformation|https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/dag/Transformation.java#L248-L285]}} > class is exposed - {{Transformation}} also has the > {{[setMaxParallelism|https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/dag/Transformation.java#L277-L285]}} > function which is not exposed. -- This message was sent by Atlassian Jira (v8.20.10#820010)