[YARN-3857] Memory leak in ResourceManager with SIMPLE mode - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Critical
Resolution: Fixed
Affects Version/s: 2.7.0, 2.6.2
Fix Version/s: 2.8.0, 2.7.2, 2.6.4, 3.0.0-alpha1
Component/s: resourcemanager
Labels:
- patch

Target Version/s:

2.6.4
Hadoop Flags:

Reviewed

Description

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.