qiuliang created YARN-9437:
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Summary: RMNodeImpls occupy too much memory and causes RM GC to
take a long time
Key: YARN-9437
URL: https://issues.apache.org/jira/browse/YARN-9437
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.9.1
Reporter: qiuliang
Attachments: 1.png, 2.png, 3.png
We use hadoop-2.9.1 in our production environment with 1600+ nodes. 95.63% of
RM memory is occupied by RMNodeImpl. Analysis of RM memory found that each
RMNodeImpl has approximately 14M. The reason is that there is a 13W+
completedcontainers in each RMNodeImpl that has not been released.
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