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https://issues.apache.org/jira/browse/SPARK-12948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated SPARK-12948:
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    Attachment: SPARK-12948.mem.prof.snapshot.png

> Consider reducing size of broadcasts in OrcRelation
> ---------------------------------------------------
>
>                 Key: SPARK-12948
>                 URL: https://issues.apache.org/jira/browse/SPARK-12948
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Rajesh Balamohan
>         Attachments: SPARK-12948.mem.prof.snapshot.png, 
> SPARK-12948_cpuProf.png
>
>
> Size of broadcasted data in OrcRelation was significantly higher when running 
> query with large number of partitions (e.g TPC-DS). Consider reducing the 
> size of the broadcasted data in OrcRelation, as it has an impact on the job 
> runtime.



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