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Daryn Sharp commented on YARN-6681: ----------------------------------- [~Ying Zhang], are you ok with the current patch? > Eliminate double-copy of child queues in canAssignToThisQueue > ------------------------------------------------------------- > > Key: YARN-6681 > URL: https://issues.apache.org/jira/browse/YARN-6681 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Affects Versions: 2.8.0 > Reporter: Daryn Sharp > Assignee: Daryn Sharp > Attachments: YARN-6681.2.branch-2.8.patch, > YARN-6681.2.branch-2.patch, YARN-6681.2.trunk.patch, > YARN-6681.branch-2.8.patch, YARN-6681.branch-2.patch, YARN-6681.trunk.patch > > > 20% of the time in {{AbstractCSQueue#canAssignToThisQueue}} is spent > performing two duplications a treemap of child queues into a list - once to > test for null, second to see if it's empty. Eliminating the dups reduces the > overhead to 2%. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org