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From "Jeff Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-2589) Define the completeness of VertexManager
Date Wed, 01 Jul 2015 06:12:04 GMT
Jeff Zhang created TEZ-2589:
-------------------------------

             Summary: Define the completeness of VertexManager
                 Key: TEZ-2589
                 URL: https://issues.apache.org/jira/browse/TEZ-2589
             Project: Apache Tez
          Issue Type: Sub-task
            Reporter: Jeff Zhang
            Assignee: Jeff Zhang


VertexManager may interact with Vertex with the whole lifecycle of Vertex. This make the recovery
of Vertex pretty complicated. The recovery of Vertex depends on the recovery of VertexManager.
And the recovery of VertexManager is almost of impossible, because it is user-facing API,
we don't have control on that. 
Define the completeness could help the recovery of Vertex. The completeness of VertexManager
means it has complete its responsibility and won't interact with Vertex again which means
it won't affect the recovery of vertex from now on.  





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