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https://issues.apache.org/jira/browse/SPARK-16933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yanbo Liang resolved SPARK-16933.
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Resolution: Fixed
Fix Version/s: 2.1.0
Target Version/s: 2.1.0
> AFTAggregator in AFTSurvivalRegression serializes unnecessary data
> ------------------------------------------------------------------
>
> Key: SPARK-16933
> URL: https://issues.apache.org/jira/browse/SPARK-16933
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Yanbo Liang
> Assignee: Yanbo Liang
> Fix For: 2.1.0
>
>
> This is basically the same issue as SPARK-16008, but for aft survival
> regression, where {{parameters}} and {{featuresStd}} are unnecessarily
> serialized between stages.
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