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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4308) ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats
Date Thu, 02 Jun 2016 13:08:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-4308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sunil G updated YARN-4308:
--------------------------
    Attachment: 0006-YARN-4308.patch

I guess I missed one file in earlier patch. Reattaching an updated patch.

> ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-4308
>                 URL: https://issues.apache.org/jira/browse/YARN-4308
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: 0001-YARN-4308.patch, 0002-YARN-4308.patch, 0003-YARN-4308.patch,
0004-YARN-4308.patch, 0005-YARN-4308.patch, 0006-YARN-4308.patch
>
>
> NodeManager reports ContainerAggregated CPU resource utilization as -ve value in first
few heartbeats cycles. I added a new debug print and received below values from heartbeats.
> {noformat}
> INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl:
ContainersResource Utilization : CpuTrackerUsagePercent : -1.0 
> INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl:ContainersResource
Utilization :  CpuTrackerUsagePercent : 198.94598
> {noformat}
> Its better we send 0 as CPU usage rather than sending a negative values in heartbeats
eventhough its happening in only first few heartbeats.



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