[jira] [Created] (TEZ-1149) Improve DAG, Vertex, Edge internal representation in the api package

[Bikas Saha (JIRA)]

Bikas Saha created TEZ-1149:
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             Summary: Improve DAG, Vertex, Edge internal representation in the 
api package
                 Key: TEZ-1149
                 URL: https://issues.apache.org/jira/browse/TEZ-1149
             Project: Apache Tez
          Issue Type: Task
            Reporter: Bikas Saha


The data structures were designed to serialize into configuration. But now we 
use PB and so there may be room for improvement. E.g. EdgeId String.



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