Michael Armbrust created SPARK-1369:
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             Summary: HiveUDF wrappers are slow
                 Key: SPARK-1369
                 URL: https://issues.apache.org/jira/browse/SPARK-1369
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Michael Armbrust
             Fix For: 1.1.0


The major issues here are that we are using a lot of functional programming 
(.map) and creating new writeable objects for each input row. We should switch 
to while loops and reuse the writeable objects when possible.



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