[jira] [Created] (FLINK-21711) DataStreamSink doesn't allow setting maxParallelism

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-21711:
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             Summary: DataStreamSink doesn't allow setting maxParallelism
                 Key: FLINK-21711
                 URL: https://issues.apache.org/jira/browse/FLINK-21711
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream
    Affects Versions: 1.13.0
            Reporter: Robert Metzger


It seems that we can only set the max parallelism of the sink only via this internal API:

{code}
        input.addSink(new ParallelismTrackingSink<>()).getTransformation().setMaxParallelism(1);

{code}



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