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Posted to issues@tez.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2016/04/07 22:35:25 UTC

[jira] [Created] (TEZ-3203) DAG hangs when one of the upstream vertices has zero tasks

Jason Lowe created TEZ-3203:
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             Summary: DAG hangs when one of the upstream vertices has zero tasks
                 Key: TEZ-3203
                 URL: https://issues.apache.org/jira/browse/TEZ-3203
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.7.0
            Reporter: Jason Lowe
            Priority: Critical


A DAG hangs during execution if it has a vertex with multiple inputs and one of those upstream vertices has zero tasks and is using ShuffleVertexManager.



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