[YARN-11516] Improve existsApplicationHomeSubCluster/existsReservationHomeSubCluster Log Level

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: federation, router
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Shilun Fan
• Reporter: Shilun Fan
• Created: 18/Jun/23 00:08
• Updated: 27/Nov/23 09:37
• Resolved: 20/Jun/23 17:24

Description

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.

Issue Links

• links to: GitHub Pull Request #5755