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https://issues.apache.org/jira/browse/HIVE-8406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Li updated HIVE-8406:
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Attachment: Skew join background.pdf
Upload the doc so it may help people get a better understand how skew join is
done. Comments and suggestions are welcome.
The doc may change as I dig deeper into the details and begin implementation.
> Research on skewed join [Spark Branch]
> --------------------------------------
>
> Key: HIVE-8406
> URL: https://issues.apache.org/jira/browse/HIVE-8406
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Xuefu Zhang
> Assignee: Rui Li
> Attachments: Skew join background.pdf
>
>
> Research on how to handle skewed join for hive on spark. Here is original
> hive's design doc for skewed join,
> https://cwiki.apache.org/confluence/display/Hive/Skewed+Join+Optimization.
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