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https://issues.apache.org/jira/browse/SPARK-17447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-17447.
-------------------------------
Resolution: Fixed
Fix Version/s: 2.1.0
Issue resolved by pull request 15039
[https://github.com/apache/spark/pull/15039]
> performance improvement in Partitioner.DefaultPartitioner
> ----------------------------------------------------------
>
> Key: SPARK-17447
> URL: https://issues.apache.org/jira/browse/SPARK-17447
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.0.0
> Reporter: WangJianfei
> Assignee: Sean Owen
> Priority: Trivial
> Fix For: 2.1.0
>
> Attachments: SPARK-17447.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> if there are many rdds in some situations,the sort will loss he performance
> servely,actually we needn't sort the rdds , we can just scan the rdds one
> time to gain the same goal.
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