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Posted to issues@tez.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2014/09/22 23:01:34 UTC

[jira] [Created] (TEZ-1612) Pig on tez unit test intermittent hang

Daniel Dai created TEZ-1612:
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             Summary: Pig on tez unit test intermittent hang
                 Key: TEZ-1612
                 URL: https://issues.apache.org/jira/browse/TEZ-1612
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.5.0
            Reporter: Daniel Dai
            Assignee: Bikas Saha
         Attachments: DAG1.png

Several Pig unit tests hang intermittently. For example, TestNewPlanImplicitSplit.testImplicitSplitInCoGroup, which is a DAG of 4 nodes:
!DAG1.png!
It uses auto-parallelism, vertex 50 change parallelism from 2->1, and vertex 52 from 21->1.

Log attached.



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