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Sangjin Lee commented on YARN-4736: ----------------------------------- Dropped a comment on HDFS-15436. Even though there may be nothing we can do on this, this does sound like a pretty critical issue. We cannot have the hadoop cluster become unstable when a region server or region servers get into this state. > Issues with HBaseTimelineWriterImpl > ----------------------------------- > > Key: YARN-4736 > URL: https://issues.apache.org/jira/browse/YARN-4736 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver > Affects Versions: YARN-2928 > Reporter: Naganarasimha G R > Assignee: Vrushali C > Priority: Critical > Labels: yarn-2928-1st-milestone > Attachments: NM_Hang_hbase1.0.3.tar.gz, hbaseException.log, > threaddump.log > > > Faced some issues while running ATSv2 in single node Hadoop cluster and in > the same node had launched Hbase with embedded zookeeper. > # Due to some NPE issues i was able to see NM was trying to shutdown, but the > NM daemon process was not completed due to the locks. > # Got some exception related to Hbase after application finished execution > successfully. > will attach logs and the trace for the same -- This message was sent by Atlassian JIRA (v6.3.4#6332)