Prabhu Joseph created YARN-8550:
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Summary: YARN root queue exceeds 100%
Key: YARN-8550
URL: https://issues.apache.org/jira/browse/YARN-8550
Project: Hadoop YARN
Issue Type: Bug
Components: yarn
Affects Versions: 2.7.3
Reporter: Prabhu Joseph
Attachments: Screen Shot 2018-07-13 at 1.42.41 PM.png
YARN root queue usage is more than 100% which is misleading. (attached
screenshot) This happens when there is a container reserved and so used +
reserved exceeds Total. Cluster is configured with CPU Scheduling.
{code}
2018-07-17 13:27:59,569 INFO capacity.ParentQueue
(ParentQueue.java:assignContainers(475)) - assignedContainer queue=root
usedCapacity=0.9713542 absoluteUsedCapacity=0.9713542 used=<memory:763904,
vCores:83> cluster=<memory:786432, vCores:384>
2018-07-17 13:27:59,627 INFO rmcontainer.RMContainerImpl
(RMContainerImpl.java:handle(422)) - container_e56_1531419441577_2045_01_000003
Container Transitioned from NEW to RESERVED
2018-07-17 13:27:59,627 INFO allocator.AbstractContainerAllocator
(AbstractContainerAllocator.java:getCSAssignmentFromAllocateResult(77)) -
Reserved container application=application_1531419441577_2045
resource=<memory:53248, vCores:2>
queue=org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator.RegularContainerAllocator@2a1563f4
cluster=<memory:786432, vCores:384>
2018-07-17 13:27:59,627 INFO capacity.ParentQueue
(ParentQueue.java:assignContainers(475)) - assignedContainer queue=root
usedCapacity=1.0390625 absoluteUsedCapacity=1.0390625 used=<memory:817152,
vCores:85> cluster=<memory:786432, vCores:384>
{code}
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