[jira] [Created] (FLINK-4271) There is no way to set parallelism of operators such as map and window produced by

[Shang Yuanchun (Jira)]

Wenlong Lyu created FLINK-4271:
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             Summary: There is no way to set parallelism of operators such as map and window produced by
                 Key: FLINK-4271
                 URL: https://issues.apache.org/jira/browse/FLINK-4271
             Project: Flink
          Issue Type: Bug
          Components: DataStream API
            Reporter: Wenlong Lyu


Currently, CoGroupStreams package the map/keyBy/window operators with a human friendly interface, like: dataStreamA.cogroup(streamB).where(...).equalsTo().window().apply(), both the intermediate operators and final window operators can not be accessed by users, and we cannot set attributes of the operators, which make co-group hard to use in production environment.




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