Davies Liu created SPARK-14419:
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Summary: Improve the HashedRelation for key fit within Long
Key: SPARK-14419
URL: https://issues.apache.org/jira/browse/SPARK-14419
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Davies Liu
Assignee: Davies Liu
1. Manage the memory by MemoryManager
2. Improve the memory efficiency
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