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https://issues.apache.org/jira/browse/YARN-5447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16239034#comment-16239034
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Arun Suresh commented on YARN-5447:
-----------------------------------
Looks like YARN-7371 is already handling this.
> Consider including allocationRequestId in NMContainerStatus to allow recovery
> in case of RM failover
> ----------------------------------------------------------------------------------------------------
>
> Key: YARN-5447
> URL: https://issues.apache.org/jira/browse/YARN-5447
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: applications, resourcemanager
> Reporter: Subru Krishnan
> Assignee: Subru Krishnan
> Priority: Major
>
> We have added a mapping of the allocated container to the original request
> through YARN-4887/YARN-4888. There is a corner case in which the mapping will
> be lost, i.e. if RM fails over before notifying the AM about newly allocated
> container(s). This JIRA tracks the changes required to include the
> allocationRequestId in NMContainerStatus to allow recovery in case of RM
> failover.
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