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https://issues.apache.org/jira/browse/TEZ-1170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated TEZ-1170:
----------------------------

    Attachment: TEZ-1170.1.patch

Refactored the code so that all cases of -1 numTasks follow the same code path. 
Case with numTasks > 0 but root initializers must run is special cased out. All 
existing tests pass and new tests added.
Since this is an extensive refactoring without any change in existing 
functionality, I plan to commit this unless someone wants to reviews this by 
Monday. [~daijy] Can you please verify your tests with this new patch applied 
to a clean Tez build from master. Thanks!

> Simplify Vertex Initializing transition
> ---------------------------------------
>
>                 Key: TEZ-1170
>                 URL: https://issues.apache.org/jira/browse/TEZ-1170
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>         Attachments: TEZ-1170.1.patch
>
>
> After TEZ-1145 and 1151, a vertex should only need to stay in INITIALZING 
> state when it has an uninitialized edge, or when the parallelism is at -1 
> (not set yet). Waiting for all RootInputInitializers to complete should not 
> be required - as long as one of them sets parallelism (via a VertexManager).



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