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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4563) ContainerMetrics deadlocks
Date Fri, 08 Jan 2016 10:20:39 GMT
Akira AJISAKA created YARN-4563:
-----------------------------------

             Summary: 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


On one of our environment, some NodeManagers' webapp do not working. I found a dead lock in
the stacktrace.
{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}



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