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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5553) [ATSv2] "metrics" for YARN_CONTAINERS are displayed as empty.
Date Tue, 23 Aug 2016 15:45:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433061#comment-15433061
] 

Rohith Sharma K S commented on YARN-5553:
-----------------------------------------

Attached REST output for YARN-CONTAINERS entity types. There can be seen that master containers
has metrics and also observe that memory value is very huge. Other containers metrics values
are empty.

> [ATSv2] "metrics" for YARN_CONTAINERS are displayed as empty.
> -------------------------------------------------------------
>
>                 Key: YARN-5553
>                 URL: https://issues.apache.org/jira/browse/YARN-5553
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Rohith Sharma K S
>         Attachments: rest-output.txt
>
>
> metrics for YARN_CONTAINER entity types are displayed as empty. For master containers
some values are displayed but for other containers randomly it displays metric values.
> I think the behavior is due to publishing of container metric in monitor thread from
NodeManager. There are 2 issues I observe is 
> # Some containers has metric values CPU-Memory, some are empty. 
> # The CPU-Memory values taken are from current usage which monitor thread reports. But
issue with it is *aggregationOp* is SUM. So Each time monitor thread reported values is being
added and give some bigger values. But ideally it is not actual usage. 
> I think CPU-MEMORY metric values for yarn-containers entities should be allocated values.




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