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https://issues.apache.org/jira/browse/YARN-1815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281045#comment-15281045
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Subru Krishnan commented on YARN-1815:
--------------------------------------
[~jianhe], there are actually two problems I noticed while working on this:
* With work-preserving restart in place, UAM works across RM restarts but all
it's running containers are killed during recovery. I have a fix for this. I
tested this with [~ellenfkh] and UAM works across RM restarts _without_ loosing
any work.
* We then hit the issue of UAM final state not being recorded as subsequent
failovers of RM brings the Unmanaged apps back to _ACCEPTED_ state even though
they had _COMPLETED_ in the past.
> RM should record final state for unmanaged AMs
> -----------------------------------------------
>
> Key: YARN-1815
> URL: https://issues.apache.org/jira/browse/YARN-1815
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Karthik Kambatla
> Assignee: Subru Krishnan
> Priority: Critical
> Attachments: Unmanaged AM recovery.png, yarn-1815-1.patch,
> yarn-1815-2.patch, yarn-1815-2.patch
>
>
> RM should record final state for unmanaged AMs
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