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https://issues.apache.org/jira/browse/TEZ-724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13877678#comment-13877678
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Bikas Saha commented on TEZ-724:
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Possibly. My suggestion is for users who want to override the edge manager and
dont have an initial impl that makes sense. Since in the API we are requiring
the edge manager to be specified, these users would have to implement something
like a NullEdgeManager for themselves.
Another comment for the patch.
In Edge.setEdgeManager() we need to do edgeManager.initialize(context).
> DAG API to specify and add a custom data movement edge
> ------------------------------------------------------
>
> Key: TEZ-724
> URL: https://issues.apache.org/jira/browse/TEZ-724
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Bikas Saha
> Assignee: Siddharth Seth
> Attachments: TEZ-724.wip.1.txt
>
>
> We will need a CUSTOM data movement type enum. Also, optionally, a user
> should be able to specify a custom edge manager to route using custom logic.
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