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https://issues.apache.org/jira/browse/YARN-1041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13865137#comment-13865137
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Jian He commented on YARN-1041:
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thanks for the comments, will update the patch once YARN-1490 gets in
> Protocol changes for RM to bind and notify a restarted AM of existing
> containers
> --------------------------------------------------------------------------------
>
> Key: YARN-1041
> URL: https://issues.apache.org/jira/browse/YARN-1041
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 3.0.0
> Reporter: Steve Loughran
> Assignee: Jian He
> Attachments: YARN-1041.1.patch
>
>
> For long lived containers we don't want the AM to be a SPOF.
> When the RM restarts a (failed) AM, it should be given the list of containers
> it had already been allocated. the AM should then be able to contact the NMs
> to get details on them. NMs would also need to do any binding of the
> containers needed to handle a moved/restarted AM.
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