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Posted to yarn-dev@hadoop.apache.org by "Nihal Agarwal (Jira)" <ji...@apache.org> on 2025/04/27 14:08:00 UTC

[jira] [Created] (YARN-11815) NodeQueueLoadMonitor scheduler running on standby RMs

Nihal Agarwal created YARN-11815:
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             Summary: NodeQueueLoadMonitor scheduler running on standby RMs
                 Key: YARN-11815
                 URL: https://issues.apache.org/jira/browse/YARN-11815
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 3.4.1
            Reporter: Nihal Agarwal


NodeQueueLoadMonitor runs as an active service via OpportunisticContainerAllocatorAMService in Yarn Resource Manager. 
However, it's scheduler thread is started in the constructor itself. This would cause the scheduler to run on standby RM too which shouldn't be the case since it is an active service. 



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