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https://issues.apache.org/jira/browse/YARN-7660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Wang updated YARN-7660:
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Summary: NM node resource should be updated through heartbeat when rmadmin
updateNodeResource execute successfully (was: NodeManager metrics return wrong
value after update node resource)
> NM node resource should be updated through heartbeat when rmadmin
> updateNodeResource execute successfully
> ---------------------------------------------------------------------------------------------------------
>
> Key: YARN-7660
> URL: https://issues.apache.org/jira/browse/YARN-7660
> 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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