[ https://issues.apache.org/jira/browse/YARN-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675126#comment-13675126 ]
Kihwal Lee commented on YARN-742: --------------------------------- There were other changes made in trunk so the patch doesn't apply any more. Please update the patch. > Log aggregation causes a lot of redundant setPermission calls > ------------------------------------------------------------- > > Key: YARN-742 > URL: https://issues.apache.org/jira/browse/YARN-742 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 0.23.7, 2.0.4-alpha > Reporter: Kihwal Lee > Assignee: Jason Lowe > Attachments: YARN-742.patch > > > In one of our clusters, namenode RPC is spending 45% of its time on serving > setPermission calls. Further investigation has revealed that most calls are > redundantly made on /mapred/logs/<user>/logs. Also mkdirs calls are made > before this. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira