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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