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From "gu-chi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4481) negative pending resource of queues lead to applications in accepted status inifnitly
Date Fri, 18 Dec 2015 12:05:47 GMT
gu-chi created YARN-4481:
----------------------------

             Summary: negative pending resource of queues lead to applications in accepted
status inifnitly
                 Key: YARN-4481
                 URL: https://issues.apache.org/jira/browse/YARN-4481
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacity scheduler
    Affects Versions: 2.7.2
            Reporter: gu-chi
            Priority: Critical


Met a scenario of negative pending resource with capacity scheduler, in jmx, it shows:
{noformat}
    "PendingMB" : -4096,
    "PendingVCores" : -1,
    "PendingContainers" : -1,
{noformat}
full jmx infomation attached.
this is not just a jmx UI issue, the actual pending resource of queue is also negative as
I see the debug log of
bq. DEBUG | ResourceManager Event Processor | Skip this queue=root, because it doesn't need
more resource, schedulingMode=RESPECT_PARTITION_EXCLUSIVITY node-partition= | ParentQueue.java
this lead to the {{NULL_ASSIGNMENT}}
The background is submitting hundreds of applications and consume all cluster resource and
reservation happen. While running, network fault injected by some tool, injection types are
delay,jitter
,repeat,packet loss and disorder. And then kill most of the applications submitted.

Anyone also facing negative pending resource, or have idea of how this happen?



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