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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2014/11/13 10:31:34 UTC
[jira] [Updated] (FLINK-1240) We cannot use sortGroup on a global
reduce
[ https://issues.apache.org/jira/browse/FLINK-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aljoscha Krettek updated FLINK-1240:
------------------------------------
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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