Jason Lowe created YARN-3489: -------------------------------- Summary: RMServerUtils.validateResourceRequests should only obtain queue info once Key: YARN-3489 URL: https://issues.apache.org/jira/browse/YARN-3489 Project: Hadoop YARN Issue Type: Improvement Components: resourcemanager Affects Versions: 2.6.0 Reporter: Jason Lowe
Since the label support was added we now get the queue info for each request being validated in SchedulerUtils.validateResourceRequest. If validateResourceRequests needs to validate a lot of requests at a time (e.g.: large cluster with lots of varied locality in the requests) then it will get the queue info for each request. Since we build the queue info this generates a lot of unnecessary garbage, as the queue isn't changing between requests. We should grab the queue info once and pass it down rather than building it again for each request. -- This message was sent by Atlassian JIRA (v6.3.4#6332)