Sunil G created YARN-2693:
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Summary: Priority Label Manager in RM to manage priority labels
Key: YARN-2693
URL: https://issues.apache.org/jira/browse/YARN-2693
Project: Hadoop YARN
Issue Type: Sub-task
Components: resourcemanager
Reporter: Sunil G
Assignee: Sunil G
Focus of this JIRA to have a centralized service to handle priority labels.
Support operations such as
* Add/Delete priority label to a specified queue
* Manage integer mapping associated with each priority label
* Support managing default priority label of a given queue
* ACL support in queue level for priority label
* Expose interface to RM to validate priority label
Storage for this labels will be done in FileSystem and in Memory similar to
NodeLabel
* FileSystem Based : persistent across RM restart
* Memory Based: non-persistent across RM restart
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