[jira] [Commented] (BEAM-1623) Transform Reshuffle directly in Spark runner

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896064#comment-15896064 ] 

ASF GitHub Bot commented on BEAM-1623:
--------------------------------------

GitHub user aviemzur opened a pull request:

    https://github.com/apache/beam/pull/2160

    [BEAM-1623] Transform Reshuffle directly in Spark runner

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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/aviemzur/beam translate-reshuffle

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/beam/pull/2160.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2160
    
----
commit 6bc0241bb8d87f25f40ebef2682aab31b04a9fe9
Author: Aviem Zur <av...@gmail.com>
Date:   2017-03-05T05:15:32Z

    [BEAM-1623] Transform Reshuffle directly in Spark runner

----


> Transform Reshuffle directly in Spark runner
> --------------------------------------------
>
>                 Key: BEAM-1623
>                 URL: https://issues.apache.org/jira/browse/BEAM-1623
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-spark
>            Reporter: Aviem Zur
>            Assignee: Aviem Zur
>
> Transform {{Reshuffle}} directly in Spark runner.
> Spark's {{repartition}} is logically equivalent to {{Reshuffle}} and will cause the required fusion break without incurring the overhead of {{groupByKey}} (In streaming pipelines this will use {{updateStateByKey}}) compared to a simple {{repartition}}.



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