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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2015/05/18 21:54:59 UTC

[jira] [Created] (SPARK-7713) Use shared broadcast hadoop conf for partitioned table scan.

Yin Huai created SPARK-7713:
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             Summary: Use shared broadcast hadoop conf for partitioned table scan.
                 Key: SPARK-7713
                 URL: https://issues.apache.org/jira/browse/SPARK-7713
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.4.0
            Reporter: Yin Huai
            Assignee: Yin Huai
            Priority: Blocker


While debugging SPARK-7673, we also found that we are broadcasting a hadoop conf for every Partition (backed by a Hadoop RDD). It also causes the performance regression of compiling a query involving a large number of partitions.



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