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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6378) Negative usedResources memory in CapacityScheduler
Date Mon, 10 Jul 2017 23:34:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16081355#comment-16081355
] 

Ravi Prakash commented on YARN-6378:
------------------------------------

Hi Filipp! Thanks for your report. Is the occurrence of the first negative usedResources correlated
with applications being moved between queues in your case too?

> 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: 2.6.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>
> Courtesy Thomas Nystrand, we found that on two 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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