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https://issues.apache.org/jira/browse/FLINK-2897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011552#comment-15011552
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ASF GitHub Bot commented on FLINK-2897:
---------------------------------------

Github user StephanEwen commented on the pull request:

    https://github.com/apache/flink/pull/1292#issuecomment-157803640
  
    Aside from till's comment (simplification of the "robin()" case), this 
looks good.


> Use distinct initial indices for OutputEmitter round-robin
> ----------------------------------------------------------
>
>                 Key: FLINK-2897
>                 URL: https://issues.apache.org/jira/browse/FLINK-2897
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Runtime
>    Affects Versions: 0.10.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>
> Currently, when performing a round-robin partitioning each task will 
> sequentially partition starting with partition "1". This is fine in the usual 
> case where the number of partitioned objects greatly exceeds the number of 
> channels. However, in the case where the number of objects is relatively few 
> (each, perhaps, requiring a large computation or access to an external 
> system) it would be much better to begin partitioning at distinct indices 
> (the task index).



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