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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-785) Add Chained operators for AllReduce and AllGroupReduce
Date Fri, 13 Feb 2015 12:34:11 GMT

    [ https://issues.apache.org/jira/browse/FLINK-785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14320013#comment-14320013
] 

ASF GitHub Bot commented on FLINK-785:
--------------------------------------

Github user StephanEwen commented on the pull request:

    https://github.com/apache/flink/pull/370#issuecomment-74247098
  
    The synchronous combine driver stores them in the sort buffer in serialized fashion, which
is save.


> Add Chained operators for AllReduce and AllGroupReduce
> ------------------------------------------------------
>
>                 Key: FLINK-785
>                 URL: https://issues.apache.org/jira/browse/FLINK-785
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: GitHub Import
>            Assignee: Chesnay Schepler
>              Labels: github-import
>             Fix For: pre-apache
>
>
> Because the operators `AllReduce` and `AllGroupReduce` are used both for the pre-reduce
(combiner side) and the final reduce, they would greatly benefit from a chained version.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/785
> Created by: [StephanEwen|https://github.com/StephanEwen]
> Labels: runtime, 
> Milestone: Release 0.6 (unplanned)
> Created at: Sun May 11 17:41:12 CEST 2014
> State: open



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