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Xianyin Xin commented on YARN-4090: ----------------------------------- Hi [~zhengchenyu], I've moved to another project so i don't have enough time to handle this problem. From your convincing analysis, i believe you must have had a patch right? would you mind to take it over? :) > Make Collections.sort() more efficient in FSParentQueue.java > ------------------------------------------------------------ > > Key: YARN-4090 > URL: https://issues.apache.org/jira/browse/YARN-4090 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler > Reporter: Xianyin Xin > Assignee: Xianyin Xin > Attachments: YARN-4090-TestResult.pdf, YARN-4090-preview.patch, > YARN-4090.001.patch, YARN-4090.002.patch, YARN-4090.003.patch, sampling1.jpg, > sampling2.jpg > > > Collections.sort() consumes too much time in a scheduling round. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org