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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3122) Metrics for container's actual CPU usage
Date Mon, 09 Feb 2015 14:13:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-3122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312262#comment-14312262
] 

Anubhav Dhoot commented on YARN-3122:
-------------------------------------

On a 4 proc machine the parent process 1778 has 3 sub processes (1779, 1780, 1781) each eating
up 1 core. Thus ProcfsBasedProcessTree returns close to 25 % usage for 1779 and close to 75%
for the parent process tree 1778

> Metrics for container's actual CPU usage
> ----------------------------------------
>
>                 Key: YARN-3122
>                 URL: https://issues.apache.org/jira/browse/YARN-3122
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-3122.prelim.patch, YARN-3122.prelim.patch
>
>
> It would be nice to capture resource usage per container, for a variety of reasons. This
JIRA is to track CPU usage. 
> YARN-2965 tracks the resource usage on the node, and the two implementations should reuse
code as much as possible. 



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