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https://issues.apache.org/jira/browse/TEZ-1170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029804#comment-14029804
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Bikas Saha commented on TEZ-1170:
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See my comments above fro review.
> 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
> Assignee: Bikas Saha
> Fix For: 0.5.0
>
> Attachments: TEZ-1170.1.patch, TEZ-1170.2.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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