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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