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https://issues.apache.org/jira/browse/YARN-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15484776#comment-15484776
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Wangda Tan commented on YARN-5296:
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Already closed it, thanks for explanations!
> NMs going OutOfMemory because ContainerMetrics leak in ContainerMonitorImpl
> ---------------------------------------------------------------------------
>
> Key: YARN-5296
> URL: https://issues.apache.org/jira/browse/YARN-5296
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.9.0
> Reporter: Karam Singh
> Assignee: Junping Du
> Fix For: 2.9.0, 3.0.0-alpha1
>
> Attachments: YARN-5296-v2.1.patch, YARN-5296-v2.patch,
> YARN-5296.patch, after v2 fix.png, before v2 fix.png
>
>
> Ran tests in following manner,
> 1. Run GridMix of 768 sequestionally around 17 times to execute about 12.9K
> apps.
> 2. After 4-5hrs take Check NM Heap using Memory Analyser. It report around
> 96% Heap is being used my ContainerMetrics
> 3. Run 7 more GridMix run for have around 18.2apps ran in total. Again check
> NM heap using Memory Analyser again 96% heap is being used by
> ContainerMetrics.
> 4. Start one more grimdmix run, while run going on , NMs started going down
> with OOM, around running 18.7K+, On analysing NM heap using Memory analyser,
> OOM was caused by ContainerMetrics
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