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https://issues.apache.org/jira/browse/TEZ-1547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14189115#comment-14189115
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Bikas Saha commented on TEZ-1547:
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Patch 1 has just the state change notification and can be reviewed separately.
Subsequent patches add usage for the notifications but I lost my git history
due to hard drive loss. So I put up the combined patch next.
> 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, TEZ-1547.3.patch, TEZ-1547.4.patch,
> TEZ-1547.5.patch, TEZ-1547.6.patch, TEZ-1547.7.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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