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https://issues.apache.org/jira/browse/SPARK-10213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712469#comment-14712469
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Vinod KC commented on SPARK-10213:
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I'm working on this
> Specify schema during DecisionTreeModel.save to avoid reflection
> ----------------------------------------------------------------
>
> Key: SPARK-10213
> URL: https://issues.apache.org/jira/browse/SPARK-10213
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Feynman Liang
> Priority: Minor
>
> [DecisionTreeModel.save|https://github.com/apache/spark/blob/f5b028ed2f1ad6de43c8b50ebf480e1b6c047035/mllib/src/main/scala/org/apache/spark/mllib/tree/model/DecisionTreeModel.scala#L238]
> currently infers a schema from a {{NodeData}} case class when the schema is
> known and should be manually provided.
> See parent JIRA for rationale.
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