Github user fhueske commented on the pull request: https://github.com/apache/flink/pull/1553#issuecomment-185170325 Hi @ramkrish86, thanks for the update. In addition to my comments inline we also need to extend the `ReduceITCase`. Also we must take care of the case where the result of the partition operator goes into more than one function. Consider the following case: ``` /--fwd--> [Reduce] [Input] --shuffle--> [Partitioner] -< \--fwd--> [Map] ``` which should be translated to: ``` /--fwd--> [Combine] --shuffle--> [Partitioner] --fwd--> [Reduce] [Input] --< \--shuffle--> [Partitioner] --fwd--> [Map] ``` Both translation tests need to be extended to cover this case. Thanks, Fabian
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