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

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

Siddharth Seth created TEZ-555:
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             Summary: 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


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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