Bikas Saha created TEZ-2066:
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             Summary: Run VertexManagerPlugin.initialize() asynchronously
                 Key: TEZ-2066
                 URL: https://issues.apache.org/jira/browse/TEZ-2066
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Bikas Saha


TEZ-1914 changed VMPlugin API methods to not run synchronously but the 
initialize() method still runs inline. This can be fixed via the VertexImpl 
state machine waiting for this to finish but this cannot be done until recovery 
code path follows the same transitions as the normal code path. Currently, the 
initialize() is called from setupVertex() which is called inline during 
recovery.



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