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https://issues.apache.org/jira/browse/YARN-10649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bibin Chundatt updated YARN-10649:
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Summary: Fix RMNodeImpl.updateExistContainers leak (was: ContainerIdPBImpl
& ContainerStatusPBImpl objects can be leaked in
RMNodeImpl.updatedExistContainers)
> Fix RMNodeImpl.updateExistContainers leak
> -----------------------------------------
>
> Key: YARN-10649
> URL: https://issues.apache.org/jira/browse/YARN-10649
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.3.0
> Reporter: Max Xie
> Assignee: Max Xie
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> YARN-5168 the patch added RMNodeImpl.updatedExistContainers, but it didn't
> remove completed containers.
> These objects (ContainerStatusPBImpl & ContainerIdPBImpl ) stay in
> RMNodeImpl.updatedExistContainers forever.
> Because of this leak, ResourceManager in our production environment
> encountered OOM issue. We found 13 million ContainerStatusPBImpl objects in
> the heap dump file of ResourceManager.
> The patch has been applied in our production env and so far it works well.
>
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