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Posted to issues@flink.apache.org by "Greg Hogan (JIRA)" <ji...@apache.org> on 2016/07/18 15:51:20 UTC

[jira] [Updated] (FLINK-4231) Switch DistinctOperator from GroupReduce to Reduce

     [ https://issues.apache.org/jira/browse/FLINK-4231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Greg Hogan updated FLINK-4231:
------------------------------
    Summary: Switch DistinctOperator from GroupReduce to Reduce  (was: Switch DistinctOperator from GroupReduceFunction to ReduceFunction)

> Switch DistinctOperator from GroupReduce to Reduce
> --------------------------------------------------
>
>                 Key: FLINK-4231
>                 URL: https://issues.apache.org/jira/browse/FLINK-4231
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>
> As discussed in FLINK-3279, rewriting {{DistinctOperator}} to a {{ReduceFunction}} rather than the current {{GroupReduceFunction}} allows the user to set the {{CombineHint}} and choose a hash-based, sort-based, or no combiner.



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