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Posted to yarn-issues@hadoop.apache.org by "YunFan Zhou (JIRA)" <ji...@apache.org> on 2017/07/24 10:26:00 UTC
[jira] [Updated] (YARN-6862) There is a bug in computing resource
usage in NM.
[ https://issues.apache.org/jira/browse/YARN-6862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
YunFan Zhou updated YARN-6862:
------------------------------
Description:
When we collect real-time metrics of resource usage in NM, we found those values sometimes are invalid.
For example, the following are values when collected at some point:
"milliVcoresUsed":-5808,
"currentPmemUsage":-1,
"currentVmemUsage":-1,
"cpuUsagePercentPerCore":-968.1026
"cpuUsageTotalCoresPercentage":-24.202564,
"pmemLimit":2147483648,
"vmemLimit":4509715456
There are many negative values, there may a bug in NM.
We should fix it, because the real-time metrics of NM is pretty important for us sometimes.
> There is a bug in computing resource usage in NM.
> -------------------------------------------------
>
> Key: YARN-6862
> URL: https://issues.apache.org/jira/browse/YARN-6862
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.8.2
> Reporter: YunFan Zhou
> Fix For: 2.8.2
>
>
> When we collect real-time metrics of resource usage in NM, we found those values sometimes are invalid.
> For example, the following are values when collected at some point:
> "milliVcoresUsed":-5808,
> "currentPmemUsage":-1,
> "currentVmemUsage":-1,
> "cpuUsagePercentPerCore":-968.1026
> "cpuUsageTotalCoresPercentage":-24.202564,
> "pmemLimit":2147483648,
> "vmemLimit":4509715456
> There are many negative values, there may a bug in NM.
> We should fix it, because the real-time metrics of NM is pretty important for us sometimes.
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