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https://issues.apache.org/jira/browse/FLINK-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321784#comment-17321784
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Flink Jira Bot commented on FLINK-1240:
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This issue and all of its Sub-Tasks have not been updated for 180 days. So, it
has been labeled "stale-minor". If you are still affected by this bug or are
still interested in this issue, please give an update and remove the label. In
7 days the issue will be closed automatically.
> 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
> Components: API / DataSet
> Reporter: Aljoscha Krettek
> Priority: Minor
> Labels: stale-minor
>
> 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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