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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/09/26 01:18:34 UTC

[jira] [Updated] (TEZ-1612) ShuffleVertexManager's EdgeManager should not hard code source num tasks

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

Bikas Saha updated TEZ-1612:
----------------------------
    Summary: ShuffleVertexManager's EdgeManager should not hard code source num tasks  (was: Pig on tez unit test intermittent hang)

> ShuffleVertexManager's EdgeManager should not hard code source num tasks
> ------------------------------------------------------------------------
>
>                 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, TEZ-1612.1.patch, runwithmaster.tar.gz, syslog_dag_1411413615885_0001_1, testfail1.log.tar.gz
>
>
> Several Pig unit tests hang intermittently. For example, TestNewPlanImplicitSplit.testImplicitSplitInCoGroup, which is a DAG of 4 nodes:
> !DAG1.png!
> It uses auto-parallelism, vertex 106 change parallelism from 2->1, and vertex 107 from 21->1.
> Log attached.



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