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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2016/04/12 19:47:25 UTC

[jira] [Created] (PIG-4868) bytes.per.reducer configured by user not honored in Tez

Rohini Palaniswamy created PIG-4868:
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             Summary: bytes.per.reducer configured by user not honored in Tez
                 Key: PIG-4868
                 URL: https://issues.apache.org/jira/browse/PIG-4868
             Project: Pig
          Issue Type: Bug
            Reporter: Rohini Palaniswamy
            Assignee: Rohini Palaniswamy


  We don't use that in parallelism estimation and only use that in ShuffleVertexManager. Usually it is fine, but in cases when user has set a really low bytes.per.reducer it does not work as our estimation is low. ShuffleVertexManager only decreases parallelism and not increases parallelism.



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