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https://issues.apache.org/jira/browse/SPARK-21523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16099229#comment-16099229
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Joseph K. Bradley commented on SPARK-21523:
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CC [~yanboliang] [~yuhaoyan] [~dbtsai] making a few people aware of this
> 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
> Priority: Minor
> 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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