hunshenshi created YARN-9663:
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Summary: ApplicationID may be duplicated in YARN Federation
Key: YARN-9663
URL: https://issues.apache.org/jira/browse/YARN-9663
Project: Hadoop YARN
Issue Type: Bug
Components: federation, yarn
Reporter: hunshenshi
Assignee: hunshenshi
ApplicationId represents the globally unique identifier for an application.
The globally unique nature of the identifier is achieved by using the cluster
timestamp. i.e. start-time of the ResourceManager along with a monotonically
increasing counter for the application.
But in yarn federation, the applicationId will be duplicated if the timestamp
of subClusters is same.
Shall we add clusterId in applicationId, like
application_cluseterId_timestamp_xxx1
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