Reynold Xin created SPARK-17556:
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Summary: Executor side broadcast for broadcast joins
Key: SPARK-17556
URL: https://issues.apache.org/jira/browse/SPARK-17556
Project: Spark
Issue Type: New Feature
Components: Spark Core, SQL
Reporter: Reynold Xin
Currently in Spark SQL, in order to perform a broadcast join, the driver must
collect the result of an RDD and then broadcast it. This introduces some extra
latency. It might be possible to broadcast directly from executors.
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