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https://issues.apache.org/jira/browse/SPARK-6170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-6170.
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Resolution: Won't Fix
Given there's no activity and the proposer isn't going to implement, I think
this is WontFix for the foreseeable future.
> Add support for skew join
> --------------------------
>
> Key: SPARK-6170
> URL: https://issues.apache.org/jira/browse/SPARK-6170
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Mridul Muralidharan
> Priority: Minor
>
> Do an efficient skew join - current spark join does fairly horribly when
> there are bad skews in the data. There is sufficient literature on how to
> solve this (including impl in pig and hive which have tackled this IIRC).
> I wont be able to work/contribute on this unfortunately, would be great if
> someone else can pick this up - wanted to ensure this task is not missed out.
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