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https://issues.apache.org/jira/browse/TEZ-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207671#comment-14207671
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Jeff Zhang commented on TEZ-1771:
---------------------------------

[~hitesh], I think the recovery should at least keep the client api work 
(getDagStatus & getVertexStatus), another method is we can init dag no matter 
DAGInitializedEvent seen. Otherwise getVertexStatus can't work. 



> Make DAGInitializedEvent as SummaryEvent
> ----------------------------------------
>
>                 Key: TEZ-1771
>                 URL: https://issues.apache.org/jira/browse/TEZ-1771
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Jeff Zhang
>
> In the case that DAG is completed, but DAGInitializedEvent is not logged, we 
> can not recover the vertices correctly. Because vertices is created in DAG 
> init, without DAGInitializedEvent dag is not initialized, and then vertices 
> are not created. 
> Or we can init dag no matter DAGInitializedEvent seen



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