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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/07/08 23:06:11 UTC

[jira] [Assigned] (SPARK-16404) LeastSquaresAggregator in Linear Regression serializes unnecessary data

     [ https://issues.apache.org/jira/browse/SPARK-16404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-16404:
------------------------------------

    Assignee: Apache Spark

> LeastSquaresAggregator in Linear Regression serializes unnecessary data
> -----------------------------------------------------------------------
>
>                 Key: SPARK-16404
>                 URL: https://issues.apache.org/jira/browse/SPARK-16404
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Seth Hendrickson
>            Assignee: Apache Spark
>
> This is basically the same issue as [SPARK-16008|https://issues.apache.org/jira/browse/SPARK-16008], but for linear regression, where {{coefficients}} and {{featuresStd}} are unnecessarily serialized between stages. 



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