Wangda Tan created YARN-3092: -------------------------------- Summary: Create common resource usage class to track labeled resource/capacity in Capacity Scheduler Key: YARN-3092 URL: https://issues.apache.org/jira/browse/YARN-3092 Project: Hadoop YARN Issue Type: Sub-task Reporter: Wangda Tan Assignee: Wangda Tan
Since we have labels on nodes, so we need to track resource usage *by labels*, includes - AM resource (to enforce max-am-resource-by-label after YARN-2637) - Used resource (includes AM resource usage) - Reserved resource - Pending resource - Headroom Benefits to have such a common class are: - Reuse lots of code in different places (Queue/App/User), better maintainability and readability. - Can make fine-grained locking (e.g. accessing used resource in a queue doesn't need lock a queue) -- This message was sent by Atlassian JIRA (v6.3.4#6332)