PERFORMANCE: use MapRunner
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Key: PIG-687
URL: https://issues.apache.org/jira/browse/PIG-687
Project: Pig
Issue Type: Improvement
Components: impl
Reporter: Thejas M Nair
MapRunner can help improve performance -
1. by enabling vectorization changes in map stage (passing multiple records
between operators
2. map stage with limit operation does not have to read all records.
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