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https://issues.apache.org/jira/browse/TEZ-3318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359274#comment-15359274
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Hitesh Shah commented on TEZ-3318:
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I am assuming this impacts 0.8 too?
> Tez UI: Polling is not restarted after RM recovery
> --------------------------------------------------
>
> Key: TEZ-3318
> URL: https://issues.apache.org/jira/browse/TEZ-3318
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Sreenath Somarajapuram
> Assignee: Sreenath Somarajapuram
> Attachments: TEZ-3318.1.patch
>
>
> For a running DAG, we poll the AM to get progress and other realtime
> information. This communication happens via RM. If RM goes down, even after
> its recovery the polling is not re established.
> Step to repro:
> 1. Run a job
> 2. Go to DAG details page, and ensure that the progress is getting updated.
> 3. Stop RM, and ensure that error bar is getting displayed in the UI.
> 4. Start RM.
> 5. As soon as RM is online, the progress bar must get updated.
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