[jira] [Created] (YARN-5296) NMs going OutOfMemory because ContainerMetrics leak in ContainerMonitorImpl

["Karam Singh (JIRA)" <ji...@apache.org>]

Karam Singh created YARN-5296:
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             Summary: 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: 2.8.0, 2.9.0
            Reporter: Karam Singh


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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