[jira] [Created] (YARN-5553) [ATSv2] "metrics" for YARN_CONTAINERS are displayed as empty.

["Rohith Sharma K S (JIRA)" <ji...@apache.org>]

Rohith Sharma K S created YARN-5553:
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             Summary: [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


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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