mujunchao created YARN-3857:
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Summary: Memory leak in ResourceManager with SIMPLE mode
Key: YARN-3857
URL: https://issues.apache.org/jira/browse/YARN-3857
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.7.0
Reporter: mujunchao
Priority: Critical
We register the ClientTokenMasterKey to avoid client may hold an invalid
ClientToken after RM restarts. In SIMPLE mode, we register
Pair<ApplicationAttemptId, null> , But we never remove it from HashMap, as
unregister only runing while in Security mode, so memory leak coming.
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