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https://issues.apache.org/jira/browse/YARN-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14288175#comment-14288175
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Wangda Tan commented on YARN-2868:
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[~rchiang],
Just reviewed patch, I'm not sure if you misunderstood what I and Karthik
meant. I agree with what you mentioned in
https://issues.apache.org/jira/browse/YARN-2868?focusedCommentId=14274308&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14274308
(comment#1) and also Karthik's comment:
https://issues.apache.org/jira/browse/YARN-2868?focusedCommentId=14274317&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14274317.
It's better to keep AtomicLong as what you originally done. Lock application
from caller is not clear to me.
Thanks,
> Add metric for initial container launch time
> --------------------------------------------
>
> 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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