[jira] [Commented] (TEZ-582) Refactor and abstract out VertexManager to enable users to plugin their own logic

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

    [ https://issues.apache.org/jira/browse/TEZ-582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870014#comment-13870014 ] 

Bikas Saha commented on TEZ-582:
--------------------------------

The addendum did not get pushed to the remote and was lost on my local git. Pushing this in as part of TEZ-726

> Refactor and abstract out VertexManager to enable users to plugin their own logic
> ---------------------------------------------------------------------------------
>
>                 Key: TEZ-582
>                 URL: https://issues.apache.org/jira/browse/TEZ-582
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>             Fix For: 0.3.0
>
>         Attachments: TEZ-582.1.patch, TEZ-582.addendum.patch
>
>
> VertexManager is the logical module that manages dynamic vertex state such as its concurrency and its connections with other vertices. Users are expected to be able to plug in their logic into the VertexManager in order to customize the graph to meet their needs. Currently, VertexManager is not abstracted out in a manner that allows users to write their plugin code without understanding internal code details of the Tez AM. Fixing this will enable interesting customizations to happen in the external community of Tez users.



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