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https://issues.apache.org/jira/browse/SPARK-4646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ankur Dave resolved SPARK-4646.
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Resolution: Fixed
Fix Version/s: 1.2.0
Issue resolved by pull request 3507
[https://github.com/apache/spark/pull/3507]
> 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
> Fix For: 1.2.0
>
>
> 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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