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From "Josh Rosen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-2585) Remove special handling of Hadoop JobConf
Date Thu, 20 Nov 2014 07:18:33 GMT

     [ https://issues.apache.org/jira/browse/SPARK-2585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Rosen resolved SPARK-2585.
-------------------------------
    Resolution: Won't Fix

I'm going to resolve this as "Won't Fix" since every attempt at removing this special handling
has caused serious performance regressions.  Feel free to re-open this if we discover a workaround
that doesn't cause a huge slowdown while deserializing configurations.

> Remove special handling of Hadoop JobConf
> -----------------------------------------
>
>                 Key: SPARK-2585
>                 URL: https://issues.apache.org/jira/browse/SPARK-2585
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Patrick Wendell
>            Assignee: Josh Rosen
>            Priority: Critical
>
> This is a follow up to SPARK-2521 and should close SPARK-2546 (provided the implementation
does not use shared conf objects). We no longer need to specially broadcast the Hadoop configuration
since we are broadcasting RDD data anyways.



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