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https://issues.apache.org/jira/browse/BEAM-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896998#comment-15896998
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ASF GitHub Bot commented on BEAM-1623:
--------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/2160
> 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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