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https://issues.apache.org/jira/browse/SPARK-16404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-16404:
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Assignee: (was: 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
>
> 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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