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Posted to issues@tez.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2014/09/22 23:01:35 UTC

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

     [ https://issues.apache.org/jira/browse/TEZ-1612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Dai updated TEZ-1612:
----------------------------
    Attachment: DAG1.png

> 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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