Feynman Liang created SPARK-10209:
-------------------------------------

             Summary: Specify schema during DistributedLDAModel.save to avoid 
reflection
                 Key: SPARK-10209
                 URL: https://issues.apache.org/jira/browse/SPARK-10209
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Feynman Liang


[DistributedLDAModel.save|https://github.com/apache/spark/blob/f5b028ed2f1ad6de43c8b50ebf480e1b6c047035/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAModel.scala#L783]
 currently infers a schema from a case class when the schema is known and 
should be manually provided.

See parent JIRA for rationale.



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