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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-214) RMContainerImpl does not handle event EXPIRE at state RUNNING
Date Mon, 12 Nov 2012 21:11:13 GMT
Jason Lowe created YARN-214:
-------------------------------

             Summary: RMContainerImpl does not handle event EXPIRE at state RUNNING
                 Key: YARN-214
                 URL: https://issues.apache.org/jira/browse/YARN-214
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.0.1-alpha, 0.23.3
            Reporter: Jason Lowe


RMContainerImpl has a race condition where a container can enter the RUNNING state just as
the container expires.  This results in an invalid event transition error:

{noformat}
2012-11-11 05:31:38,954 [ResourceManager Event Processor] ERROR org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl:
Can't handle this event at current state
org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: EXPIRE at RUNNING
        at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:301)
        at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:43)
        at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:443)
        at org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:205)
        at org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl.handle(RMContainerImpl.java:44)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApp.containerCompleted(SchedulerApp.java:203)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.completedContainer(LeafQueue.java:1337)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.completedContainer(CapacityScheduler.java:739)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:659)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:80)
        at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:340)
        at java.lang.Thread.run(Thread.java:619)
{noformat}

EXPIRE needs to be handled (well at least ignored) in the RUNNING state to account for this
race condition.

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