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Posted to yarn-issues@hadoop.apache.org by "Gautham Banasandra (Jira)" <ji...@apache.org> on 2025/05/02 11:28:00 UTC

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

     [ https://issues.apache.org/jira/browse/YARN-11815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gautham Banasandra reassigned YARN-11815:
-----------------------------------------

    Assignee: Gautham Banasandra

> 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
>            Assignee: Gautham Banasandra
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.5.0
>
>
> 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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