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https://issues.apache.org/jira/browse/FLINK-21711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arvid Heise updated FLINK-21711:
--------------------------------
    Fix Version/s:     (was: 1.12.3)
                   1.12.4

> 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: 1.11.3, 1.12.2, 1.13.0
>            Reporter: Robert Metzger
>            Priority: Major
>             Fix For: 1.11.4, 1.13.0, 1.12.4
>
>
> 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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