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From "Nick Pentreath (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-16933) AFTAggregator in AFTSurvivalRegression serializes unnecessary data
Date Mon, 08 Aug 2016 14:15:20 GMT

    [ https://issues.apache.org/jira/browse/SPARK-16933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15411854#comment-15411854
] 

Nick Pentreath commented on SPARK-16933:
----------------------------------------

Yeah I guess we could combine this and SPARK-16934 (if applicable). Are there any other cases?

> 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
>
> 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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