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https://issues.apache.org/jira/browse/SPARK-21523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yanbo Liang resolved SPARK-21523.
---------------------------------
       Resolution: Fixed
         Assignee: Weichen Xu
    Fix Version/s: 2.3.0
                   2.2.1

> Fix bug of strong wolfe linesearch `init` parameter lose effectiveness
> ----------------------------------------------------------------------
>
>                 Key: SPARK-21523
>                 URL: https://issues.apache.org/jira/browse/SPARK-21523
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib
>    Affects Versions: 2.2.0
>            Reporter: Weichen Xu
>            Assignee: Weichen Xu
>            Priority: Critical
>             Fix For: 2.2.1, 2.3.0
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> We need merge this breeze bugfix into spark because it influence a series of 
> algos in MLlib which use LBFGS.
> https://github.com/scalanlp/breeze/pull/651



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