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Posted to issues@spark.apache.org by "Takeshi Yamamuro (JIRA)" <ji...@apache.org> on 2014/11/28 08:50:12 UTC

[jira] [Created] (SPARK-4646) Replace Scala.util.Sorting.quickSort with Sorter(TimSort) in Spark

Takeshi Yamamuro created SPARK-4646:
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             Summary: Replace Scala.util.Sorting.quickSort with Sorter(TimSort) in Spark
                 Key: SPARK-4646
                 URL: https://issues.apache.org/jira/browse/SPARK-4646
             Project: Spark
          Issue Type: Improvement
          Components: GraphX
            Reporter: Takeshi Yamamuro
            Priority: Minor


This patch just replaces a native quick sorter with Sorter(TimSort) in Spark.
It could get performance gains by ~8% in my quick experiments.



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