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https://issues.apache.org/jira/browse/YARN-6114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Saxena updated YARN-6114:
-------------------------------
Summary: RM will report an unacquired containers to AM if they are KILLED
before being ACQUIRED (was: RM will report an unacquired container to AM if it
is KILLED before being ACQUIRED)
> RM will report an unacquired containers to AM if they are KILLED before being
> ACQUIRED
> --------------------------------------------------------------------------------------
>
> Key: YARN-6114
> URL: https://issues.apache.org/jira/browse/YARN-6114
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Varun Saxena
> Assignee: Varun Saxena
>
> RM will report an unacquired container to AM if it is KILLED (due to node
> becoming unhealthy or reconnecting, etc.).
> This is because we report all containers whether they have been acquired or
> not to RMAppAttempt and they are further added to the list of just finished
> containers.
> These containers are then reported on next AM heartbeat even though they have
> not been acquired by the AM, which is unnecessary.
> In case of Spark AM, this leads to the AM re-requesting these containers
> again from RM.
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