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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2017/01/06 22:08:58 UTC

[jira] [Created] (PIG-5084) Do ReadOnceBag in Tez for multiple inputs

Rohini Palaniswamy created PIG-5084:
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             Summary: Do ReadOnceBag in Tez for multiple inputs
                 Key: PIG-5084
                 URL: https://issues.apache.org/jira/browse/PIG-5084
             Project: Pig
          Issue Type: Improvement
            Reporter: Rohini Palaniswamy


When numInputs == numTezInputs (no union+split optimization), we can make bags of all inputs readonly with Tez instead of materializing them in POShuffleTezLoad. This is possible as they are different physical inputs and separate ReadOnceBags can be constructed with the different iterators.



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