[ https://issues.apache.org/jira/browse/YARN-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Lowe moved MAPREDUCE-5486 to YARN-1145: --------------------------------------------- Component/s: (was: jobhistoryserver) Assignee: (was: Rohith Sharma K S) Target Version/s: 2.1.1-beta (was: 2.1.1-beta) Affects Version/s: (was: 2.1.1-beta) (was: 2.0.5-alpha) 2.1.1-beta 2.0.5-alpha Key: YARN-1145 (was: MAPREDUCE-5486) Project: Hadoop YARN (was: Hadoop Map/Reduce) > Potential file handler leak in JobHistoryServer web ui. > ------------------------------------------------------- > > Key: YARN-1145 > URL: https://issues.apache.org/jira/browse/YARN-1145 > Project: Hadoop YARN > Issue Type: Bug > Affects Versions: 2.0.5-alpha, 2.1.1-beta > Reporter: Rohith Sharma K S > Attachments: MAPREDUCE-5486.patch > > > Any problem in getting aggregated logs for rendering on web ui, then > LogReader is not closed. > Now, it reader is not closed which causing many connections in close_wait > state. > hadoopuser@hadoopuser:> jps > *27909* JobHistoryServer > DataNode port is 50010. When greped with DataNode port, many connections are > in CLOSE_WAIT from JHS. > hadoopuser@hadoopuser:> netstat -tanlp |grep 50010 > tcp 0 0 10.18.40.48:50010 0.0.0.0:* LISTEN > 21453/java > tcp 1 0 10.18.40.48:20596 10.18.40.48:50010 > CLOSE_WAIT *27909*/java > tcp 1 0 10.18.40.48:19667 10.18.40.152:50010 > CLOSE_WAIT *27909*/java > tcp 1 0 10.18.40.48:20593 10.18.40.48:50010 > CLOSE_WAIT *27909*/java > tcp 1 0 10.18.40.48:12290 10.18.40.48:50010 > CLOSE_WAIT *27909*/java > tcp 1 0 10.18.40.48:19662 10.18.40.152:50010 > CLOSE_WAIT *27909*/java -- 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