Ravi Prakash created YARN-6378:
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Summary: Negative usedResources memory in CapacityScheduler
Key: YARN-6378
URL: https://issues.apache.org/jira/browse/YARN-6378
Project: Hadoop YARN
Issue Type: Bug
Components: capacity scheduler, resourcemanager
Affects Versions: 2.7.2
Reporter: Ravi Prakash
Courtesy Thomas Nystrand, we found that on one of our clusters configured with
the CapacityScheduler, usedResources occasionally becomes negative.
e.g.
{code}
2017-03-15 11:10:09,449 INFO
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue:
assignedContainer application attempt=appattempt_1487222361993_17177_000001
container=Container: [ContainerId: container_1487222361993_17177_01_000014,
NodeId: <SOMENODE>:27249, NodeHttpAddress: <SOMENODE>:8042, Resource:
<memory:6656, vCores:1>, Priority: 2, Token: null, ] queue=<somequeuename>:
capacity=0.2, absoluteCapacity=0.2, usedResources=<memory:-1024, vCores:3>,
usedCapacity=0.03409091, absoluteUsedCapacity=0.006818182, numApps=1,
numContainers=3 clusterResource=<memory:1249280, vCores:440> type=RACK_LOCAL
{code}
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