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From "Yingda Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-4017) Support proper AM failover on DAG with concurrent edge
Date Wed, 31 Oct 2018 23:44:00 GMT
Yingda Chen created TEZ-4017:
--------------------------------

             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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