Reynold Xin created SPARK-8160:
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Summary: Tungsten style external aggregation
Key: SPARK-8160
URL: https://issues.apache.org/jira/browse/SPARK-8160
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Reynold Xin
Support using external sorting to run aggregate so we can easily process
aggregates where each partition is much larger than memory size.
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