Nandor Kollar created PIG-5242:
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             Summary: Evaluate DataFrame API for Pig on Spark
                 Key: PIG-5242
                 URL: https://issues.apache.org/jira/browse/PIG-5242
             Project: Pig
          Issue Type: Improvement
          Components: spark
            Reporter: Nandor Kollar
             Fix For: 0.18.0


Currently, Pig on Spark uses RDD-s. Higher level DataFrame API offers many 
optimization opportunities like Catalyst optimizer, better serialization 
(project Tungsten). We should investigate how we can migrate from RDD-s to 
DataFrames, and does this result in performance improvement.



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