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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/06 13:44:20 UTC

[jira] [Commented] (SPARK-16933) AFTAggregator in AFTSurvivalRegression serializes unnecessary data

    [ https://issues.apache.org/jira/browse/SPARK-16933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410616#comment-15410616 ] 

Apache Spark commented on SPARK-16933:
--------------------------------------

User 'yanboliang' has created a pull request for this issue:
https://github.com/apache/spark/pull/14519

> 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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