[jira] [Commented] (TEZ-555) Edge should route events to the destination vertex, instead of directly to destination tasks

["Siddharth Seth (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13793954#comment-13793954 ] 

Siddharth Seth commented on TEZ-555:
------------------------------------

Thanks for fixing this so fast Bikas!

> Edge should route events to the destination vertex, instead of directly to destination tasks
> --------------------------------------------------------------------------------------------
>
>                 Key: TEZ-555
>                 URL: https://issues.apache.org/jira/browse/TEZ-555
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Bikas Saha
>             Fix For: 0.2.0
>
>         Attachments: TEZ-555.1.patch
>
>
> An Edge has a component in the event-generating vertex and the event-destination vertex.
> The source vertex should route events to the destination vertex, rather than directly to tasks.
> The destination vertex knows when it's ready, and can use the destination-vertex part of the edge to route the events to it's own tasks.
> This is a blocker for AM split generation, which made this assumption - and caches incoming events till the Vertex is ready.



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