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Posted to issues@tez.apache.org by "Yingda Chen (JIRA)" <ji...@apache.org> on 2018/10/31 23:44:00 UTC

[jira] [Created] (TEZ-4017) Support proper AM failover on DAG with concurrent edge

Yingda Chen created TEZ-4017:
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             Summary: Support proper AM failover on DAG with concurrent edge
                 Key: TEZ-4017
                 URL: https://issues.apache.org/jira/browse/TEZ-4017
             Project: Apache Tez
          Issue Type: Task
            Reporter: Yingda Chen


Initial support for concurrent edge in TEZ-3997 will make DAG with concurrent edge unrecoverable for simplicity. This task is to track refinement on that naive implementation/workaround.

 

This shall include design for fully functional recovery (for example, making the entire sub-graph connected by concurrent edge a a failure region) and implementation.



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