Ron Hu created SPARK-17079:
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Summary: broadcast decision based on cbo
Key: SPARK-17079
URL: https://issues.apache.org/jira/browse/SPARK-17079
Project: Spark
Issue Type: Sub-task
Components: Optimizer
Affects Versions: 2.0.0
Reporter: Ron Hu
We decide if broadcast join is used based on the cardinality and size of join
input side rather than the initial size of the join base relation.
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