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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-3047) Support for submitting DAGs that reference existing DAGs in a session
Date Mon, 18 Jan 2016 21:36:39 GMT
Bikas Saha created TEZ-3047:
-------------------------------

             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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