[ https://issues.apache.org/jira/browse/YARN-4563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15089119#comment-15089119 ]
Rohith Sharma K S commented on YARN-4563: ----------------------------------------- Based on the commit history of YARN-3619, YARN-3619 is fixed to branch-2 and branch-2.7. Branch-2.6 might need to port this issue. > ContainerMetrics deadlocks > -------------------------- > > Key: YARN-4563 > URL: https://issues.apache.org/jira/browse/YARN-4563 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Environment: HDP 2.3.2 (Hadoop 2.7.1 + patches) > Reporter: Akira AJISAKA > Priority: Blocker > Attachments: 0001-YARN-4563.patch, jstack.log > > > On one of our environment, some NodeManagers' webapp do not working. I found > a dead lock in the thread dump. > {noformat} > Found one Java-level deadlock: > ============================= > "1193752357@qtp-907815246-22238": > waiting to lock monitor 0x0000000005e20a18 (object 0x00000000f6afa048, a > org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics), > which is held by "2107307914@qtp-907815246-19994" > "2107307914@qtp-907815246-19994": > waiting to lock monitor 0x0000000001a000a8 (object 0x00000000d4f1e1f8, a > org.apache.hadoop.metrics2.impl.MetricsSystemImpl), > which is held by "Timer for 'NodeManager' metrics system" > "Timer for 'NodeManager' metrics system": > waiting to lock monitor 0x00000000027ade88 (object 0x00000000f6582df0, a > org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMetrics), > which is held by "1530638165@qtp-907815246-19992" > "1530638165@qtp-907815246-19992": > waiting to lock monitor 0x0000000001a000a8 (object 0x00000000d4f1e1f8, a > org.apache.hadoop.metrics2.impl.MetricsSystemImpl), > which is held by "Timer for 'NodeManager' metrics system" > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)