MENG DING created YARN-4230:
-------------------------------
Summary: Increasing container resource while there is no headroom
left will cause ResourceManager to crash
Key: YARN-4230
URL: https://issues.apache.org/jira/browse/YARN-4230
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Reporter: MENG DING
Assignee: MENG DING
Priority: Critical
This issue was found while doing end-to-end test of YARN-1197 in YARN-4175.
When increasing resource of a container, if there is no headroom left for the
user, the ResourceManager crashes with NPE.
The following is the stack trace:
{code}
15/10/05 20:35:21 INFO capacity.ParentQueue: assignedContainer queue=root
usedCapacity=0.9375 absoluteUsedCapacity=0.9375 used=<memory:15360, vCores:9>
cluster=<memory:16384, vCores:16>
15/10/05 20:35:49 FATAL resourcemanager.ResourceManager: Error in handling
event type NODE_UPDATE to the scheduler
java.lang.NullPointerException
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator.IncreaseContainerAllocator.assignContainers(IncreaseContainerAllocator.java:327)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator.ContainerAllocator.assignContainers(ContainerAllocator.java:66)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp.assignContainers(FiCaSchedulerApp.java:474)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:819)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:572)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:423)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainersToNode(CapacityScheduler.java:1177)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1274)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:134)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:691)
at java.lang.Thread.run(Thread.java:745)
15/10/05 20:35:49 INFO resourcemanager.ResourceManager: Exiting, bbye..
{code}
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