[jira] [Updated] (TEZ-1547) Make use of state change notifier in VertexManagerPlugins

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

     [ https://issues.apache.org/jira/browse/TEZ-1547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikas Saha updated TEZ-1547:
----------------------------
    Attachment: TEZ-1547.1.patch

Uploading WIP patch that integrates the notifiers with the vertex managers. Adds optional APIs to inform the vertex about planned reconfigurations when the vertex is already fully configured. The helps clarify the auto-reduce case where the vertex is fully configured but the ShuffleVertexManager may or may not end up changing reconfiguring the vertex after that. Creates a new notification about the vertex being fully configured so that listeners (like downstream vertices) can know when the vertex is fully configured and they can start their own work in case it will be affected by the reconfiguration.

> Make use of state change notifier in VertexManagerPlugins
> ---------------------------------------------------------
>
>                 Key: TEZ-1547
>                 URL: https://issues.apache.org/jira/browse/TEZ-1547
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Bikas Saha
>         Attachments: TEZ-1547.1.patch
>
>
> Instead of the various APIs like onVertexStarted, simple notifications could be sent.
> Some existing APIs could end up being deprecated.



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