[jira] [Created] (YARN-11516) Improve existsApplicationHomeSubCluster/existsReservationHomeSubCluster Log Level

["Shilun Fan (Jira)" <ji...@apache.org>]

Shilun Fan created YARN-11516:
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             Summary: Improve existsApplicationHomeSubCluster/existsReservationHomeSubCluster Log Level
                 Key: YARN-11516
                 URL: https://issues.apache.org/jira/browse/YARN-11516
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: federation, router
    Affects Versions: 3.4.0
            Reporter: Shilun Fan
            Assignee: Shilun Fan


The method FederationStateStoreFacade#existsApplicationHomeSubCluster is used to determine whether an application has a HomeSubCluster assigned. If the HomeSubCluster is not found, we currently log a warning message. However, during the first submission of an application, it is normal for the corresponding HomeSubCluster not to exist. This warning message might mislead users into thinking that an exception occurred. To address this, we should change the logging format of this message to "debug". 

FederationStateStoreFacade#existsReservationHomeSubCluster also needs to change the log level for the same reason.



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