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Hudson commented on YARN-3489: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #194 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/194/]) YARN-3489. RMServerUtils.validateResourceRequests should only obtain queue info once. (Varun Saxena via wangda) (wangda: rev d6f6741296639a73f5306e3ebefec84a40ca03e5) * hadoop-yarn-project/CHANGES.txt * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMServerUtils.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java > 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 > Assignee: Varun Saxena > Labels: BB2015-05-RFC > Attachments: YARN-3489-branch-2.7.patch, YARN-3489.01.patch, > YARN-3489.02.patch, YARN-3489.03.patch > > > 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)