[jira] [Updated] (TEZ-268) Get DAG of Vertices connected by Shuffle edges working

["Bikas Saha (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikas Saha updated TEZ-268:
---------------------------

    Attachment: TEZ-268.1.patch

Attaching a rough draft of changes with an example working.
M1->R1-
               |->R3
M2->R2-
                
> Get DAG of Vertices connected by Shuffle edges working
> ------------------------------------------------------
>
>                 Key: TEZ-268
>                 URL: https://issues.apache.org/jira/browse/TEZ-268
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>              Labels: TEZ-0.2.0
>         Attachments: TEZ-268.1.patch
>
>
> Tez should be able to run a DAG in which all edges are doing shuffles where the properties of each incoming shuffle edge to a vertex are the same. By same properties, it means the vertex does not need to differentiate between data from different source vertices. E.g. a join on the same key on incoming data that has been partitioned by 2 different source vertices.

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