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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/14 13:20:23 UTC

[jira] [Assigned] (SPARK-17050) Improve initKMeansParallel with treeAggregate

     [ https://issues.apache.org/jira/browse/SPARK-17050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-17050:
------------------------------------

    Assignee: Apache Spark

> Improve initKMeansParallel with treeAggregate
> ---------------------------------------------
>
>                 Key: SPARK-17050
>                 URL: https://issues.apache.org/jira/browse/SPARK-17050
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Weichen Xu
>            Assignee: Apache Spark
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> The `initKMeansParallel` use `rdd.aggregate`, it is better to use `treeAggregate` to get better performance.



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