Reynold Xin created SPARK-3280:
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Summary: Made sort-based shuffle the default implementation
Key: SPARK-3280
URL: https://issues.apache.org/jira/browse/SPARK-3280
Project: Spark
Issue Type: Improvement
Reporter: Reynold Xin
Assignee: Reynold Xin
sort-based shuffle has lower memory usage and seems to outperform hash-based in
almost all of our testing.
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