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https://issues.apache.org/jira/browse/YARN-2679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu updated YARN-2679:
----------------------------
    Attachment: YARN-2679.000.patch

> add container launch prepare time metrics to NM.
> ------------------------------------------------
>
>                 Key: YARN-2679
>                 URL: https://issues.apache.org/jira/browse/YARN-2679
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.5.0
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-2679.000.patch
>
>
> add metrics in NodeManagerMetrics to get prepare time to launch container.
> The prepare time is the duration between sending 
> ContainersLauncherEventType.LAUNCH_CONTAINER event and receiving  
> ContainerEventType.CONTAINER_LAUNCHED event.



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