Bikas Saha created TEZ-3047:
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Summary: Support for submitting DAGs that reference existing DAGs
in a session
Key: TEZ-3047
URL: https://issues.apache.org/jira/browse/TEZ-3047
Project: Apache Tez
Issue Type: Sub-task
Reporter: Bikas Saha
Assignee: Bikas Saha
Another example of supporting DAG modifications would be to be able to support
a new DAG in a session that reuses intermediate outputs from a previous DAG. If
2 DAGs are such that a sub-part of DAG1 can be reused as a sub-part of DAG2
then DAG2 could potentially avoid re-running part of itself by connecting
itself to an vertex in DAG1.
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