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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 resolved YARN-2679.
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Resolution: Fixed
> Add metric for container launch duration
> ----------------------------------------
>
> Key: YARN-2679
> URL: https://issues.apache.org/jira/browse/YARN-2679
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 2.5.0
> Reporter: zhihai xu
> Assignee: zhihai xu
> Labels: metrics, supportability
> Fix For: 2.7.0
>
> Attachments: YARN-2679.000.patch, YARN-2679.001.patch,
> YARN-2679.002.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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