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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2017/06/25 14:10:00 UTC

[jira] [Resolved] (SPARK-12948) Consider reducing size of broadcasts in OrcRelation

     [ https://issues.apache.org/jira/browse/SPARK-12948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-12948.
-------------------------------
    Resolution: Won't Fix

> 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_cpuProf.png, SPARK-12948.mem.prof.snapshot.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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