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https://issues.apache.org/jira/browse/YARN-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14289835#comment-14289835
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Ray Chiang commented on YARN-2868:
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[~rohithsharma], it looks like CapacityScheduler/AbstractYarnScheduler is
missing a couple of things needed to record container launch time. The Clock
stuff is easy to add, but the queue related stuff looks like it could get
complicated. I think I'd rather wait for YARN-2986 before this JIRA is
implemented in CapacityScheduler. I can open a new JIRA for that once this one
is done.
Does that sound reasonable?
> Add metric for initial container launch time to FairScheduler
> -------------------------------------------------------------
>
> Key: YARN-2868
> URL: https://issues.apache.org/jira/browse/YARN-2868
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: metrics, supportability
> Attachments: YARN-2868-01.patch, YARN-2868.002.patch,
> YARN-2868.003.patch, YARN-2868.004.patch, YARN-2868.005.patch,
> YARN-2868.006.patch
>
>
> Add a metric to measure the latency between "starting container allocation"
> and "first container actually allocated".
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