Eric Liang created SPARK-14724:
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Summary: Improve performance of sorting by using radix sort when
possible
Key: SPARK-14724
URL: https://issues.apache.org/jira/browse/SPARK-14724
Project: Spark
Issue Type: Improvement
Reporter: Eric Liang
Spark currently uses TimSort for all in-memory sorts, including sorts done for
shuffle. One low-hanging fruit is to use radix sort when possible (e.g. sorting
by integer keys).
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