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From "Bibin Chundatt (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-10649) Fix RMNodeImpl.updateExistContainers leak
Date Thu, 04 Mar 2021 12:31:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-10649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bibin Chundatt resolved YARN-10649.
-----------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Thank you [~max2049] for contribution.. Committed to trunk

> 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
>             Fix For: 3.4.0
>
>          Time Spent: 2h
>  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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