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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2015/05/31 23:35:17 UTC

[jira] [Closed] (SPARK-2023) PySpark reduce does a map side reduce and then sends the results to the driver for final reduce, instead do this more like Scala Spark.

     [ https://issues.apache.org/jira/browse/SPARK-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Rosen closed SPARK-2023.
-----------------------------
    Resolution: Cannot Reproduce

Closing as "Cannot Reproduce"; please re-open if you have additional information to describe this issue.

> PySpark reduce does a map side reduce and then sends the results to the driver for final reduce, instead do this more like Scala Spark.
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-2023
>                 URL: https://issues.apache.org/jira/browse/SPARK-2023
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>            Reporter: holdenk
>
> PySpark reduce does a map side reduce and then sends the results to the driver for final reduce, instead do this more like Scala Spark. The current implementation could be a bottleneck. 



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