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Posted to dev@tez.apache.org by "Kuhu Shukla (JIRA)" <ji...@apache.org> on 2018/04/04 17:56:00 UTC

[jira] [Created] (TEZ-3910) Single node can cause Tez job to fail during shuffle

Kuhu Shukla created TEZ-3910:
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             Summary: Single node can cause Tez job to fail during shuffle
                 Key: TEZ-3910
                 URL: https://issues.apache.org/jira/browse/TEZ-3910
             Project: Apache Tez
          Issue Type: Bug
    Affects Versions: 0.9.1
            Reporter: Kuhu Shukla
            Assignee: Kuhu Shukla


There is a race where a downstream task that is running into fetch failures due to bad output from the upstream task can continue to blame itself for the failure before the AM can do a re-run of the upstream offending task and fix the fetch failure. This causes the DAG to fail even if a single node fails.



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