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https://issues.apache.org/jira/browse/TEZ-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687377#comment-15687377
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Rohini Palaniswamy commented on TEZ-1190:
-----------------------------------------

bq. It's possible to make them work, but we need new API of creating named 
shared/group edge, and I'm not clear what new API should look like.
[~bikassaha] and [~zjffdu], can you please chime in.

> Allow multiple edges between two vertices
> -----------------------------------------
>
>                 Key: TEZ-1190
>                 URL: https://issues.apache.org/jira/browse/TEZ-1190
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Daniel Dai
>            Assignee: Zhiyuan Yang
>         Attachments: NamedEdgeDesign-2.pdf, NamedEdgeDesign.pdf, 
> TEZ-1190.prototype.2.patch, TEZ-1190.prototype.patch
>
>
> This will be helpful in some scenario. In particular example, we can merge 
> two small pipelines together in one pair of vertex. Note it is possible the 
> edge type between the two vertexes are different.



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