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Posted to issues@flink.apache.org by "Maximilian Michels (JIRA)" <ji...@apache.org> on 2015/03/18 18:48:38 UTC

[jira] [Resolved] (FLINK-1622) Add GroupReducePartial Operator

     [ https://issues.apache.org/jira/browse/FLINK-1622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maximilian Michels resolved FLINK-1622.
---------------------------------------
       Resolution: Implemented
    Fix Version/s: 0.9

> Add GroupReducePartial Operator
> -------------------------------
>
>                 Key: FLINK-1622
>                 URL: https://issues.apache.org/jira/browse/FLINK-1622
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Local Runtime
>    Affects Versions: 0.9
>            Reporter: Aljoscha Krettek
>            Assignee: Maximilian Michels
>             Fix For: 0.9
>
>
> This does what a Reduce or GroupReduce Operator does, except it is only performed on a local partition.
> This is also similar to an explicit combine that can output a type that is different from the input.



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