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https://issues.apache.org/jira/browse/FLINK-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek updated FLINK-1240:
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Issue Type: Improvement (was: Bug)
> We cannot use sortGroup on a global reduce
> ------------------------------------------
>
> Key: FLINK-1240
> URL: https://issues.apache.org/jira/browse/FLINK-1240
> Project: Flink
> Issue Type: Improvement
> 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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