[ https://issues.apache.org/jira/browse/YARN-11696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Susheel Gupta updated YARN-11696: --------------------------------- Summary: Add debug-level logs in RMAppImpl (was: Add debug-level logs in RMAppImpl#aggregateLogReport and RMAppImpl#getLogAggregationStatusForAppReport) > Add debug-level logs in RMAppImpl > --------------------------------- > > Key: YARN-11696 > URL: https://issues.apache.org/jira/browse/YARN-11696 > Project: Hadoop YARN > Issue Type: Improvement > Components: yarn > Reporter: Susheel Gupta > Assignee: Susheel Gupta > Priority: Minor > > The events keep increasing in event-queue and many event thread are blocked. > To discover the deadlocking threads, add a few debug level logs to > RMAppImpl#aggregateLogReport and > RMAppImpl#getLogAggregationStatusForAppReport. > {code:java} > "RM Event dispatcher" #93 prio=5 os_prio=0 tid=0x00007fcb67120800 nid=0x13e62 > waiting on condition [0x00007fbef632a000] > java.lang.Thread.State: WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x00007fc44cada248> (a > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199) > at > java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:943) > at > org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl.aggregateLogReport(RMAppImpl.java:1799) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl.handleLogAggregationStatus(RMNodeImpl.java:1478) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl.access$500(RMNodeImpl.java:104) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$StatusUpdateWhenHealthyTransition.transition(RMNodeImpl.java:1239) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$StatusUpdateWhenHealthyTransition.transition(RMNodeImpl.java:1195) > at > org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385) > at > org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302) > at > org.apache.hadoop.yarn.state.StateMachineFactory.access$500(StateMachineFactory.java:46) > at > org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:487) > - locked <0x00007fc04c0b6970> (a > org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl.handle(RMNodeImpl.java:667) > at > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl.handle(RMNodeImpl.java:101) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$NodeEventDispatcher.handle(ResourceManager.java:1124) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$NodeEventDispatcher.handle(ResourceManager.java:1108) > at > org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:219) > at > org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:133) > at java.lang.Thread.run(Thread.java:748) {code} -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org