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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 updated SPARK-17447:
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Priority: Trivial (was: Major)
It's not going to be a bottleneck though; the size of this array is hundreds or
thousands at most. This is not a "Major" improvement.
Still this can be written more simply with filter and maxBy.
> 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
> Priority: Trivial
> 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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