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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-7659) NodeManager metrics return wrong value after update resource
Date Fri, 15 Dec 2017 13:57:07 GMT

     [ https://issues.apache.org/jira/browse/YARN-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe resolved YARN-7659.
------------------------------
    Resolution: Duplicate

> NodeManager metrics return wrong value after update resource
> ------------------------------------------------------------
>
>                 Key: YARN-7659
>                 URL: https://issues.apache.org/jira/browse/YARN-7659
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Yang Wang
>
> {code:title=NodeManagerMetrics.java}
>   public void addResource(Resource res) {
>     availableMB = availableMB + res.getMemorySize();
>     availableGB.incr((int)Math.floor(availableMB/1024d));
>     availableVCores.incr(res.getVirtualCores());
>   }
> {code}
> When the node resource was updated through RM-NM heartbeat, the NM metric will get wrong
value. 
> The root cause of this issue is that new resource has been added to availableMB, so not
needed to increase for availableGB again.



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