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Posted to issues@spark.apache.org by "Weichen Xu (JIRA)" <ji...@apache.org> on 2016/08/14 13:18:20 UTC

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

Weichen Xu created SPARK-17050:
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             Summary: Improve initKMeansParallel with treeAggregate
                 Key: SPARK-17050
                 URL: https://issues.apache.org/jira/browse/SPARK-17050
             Project: Spark
          Issue Type: Improvement
            Reporter: Weichen Xu


The `initKMeansParallel` use `rdd.aggregate`, it is better to use `treeAggregate` to get better performance.



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