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https://issues.apache.org/jira/browse/SPARK-12923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316062#comment-15316062
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Shivaram Venkataraman commented on SPARK-12923:
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[~sunrui] Can we move this from the UDFs umbrella and retarget this to 2.1.0 ?
If this change is small it'll also be cool to have this in 2.0
> Optimize successive dapply() calls in SparkR
> --------------------------------------------
>
> Key: SPARK-12923
> URL: https://issues.apache.org/jira/browse/SPARK-12923
> Project: Spark
> Issue Type: Sub-task
> Components: SparkR
> Affects Versions: 1.6.0
> Reporter: Sun Rui
>
> For consecutive dapply() calls on a same DataFrame, optimize them to launch R
> worker once instead of multiple times for performance improvement
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