Aljoscha Krettek created FLINK-1240:
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Summary: We cannot use sortGroup on a global reduce
Key: FLINK-1240
URL: https://issues.apache.org/jira/browse/FLINK-1240
Project: Flink
Issue Type: Bug
Reporter: Aljoscha Krettek
This is only an API problem, I hope.
I also know, that this is potentially a very bad idea because everything must
be sorted on one node. In some cases, such as sorted first(n) this would make
sense, though, since there we use a combiner.
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