Susheel Gupta created YARN-11696: ------------------------------------ Summary: Add debug-level logs in RMAppImpl#aggregateLogReport and RMAppImpl#getLogAggregationStatusForAppReport 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
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