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https://issues.apache.org/jira/browse/YARN-2806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14196971#comment-14196971
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Vinod Kumar Vavilapalli commented on YARN-2806:
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bq. We're basically trying to get a sense of how long container requests are
hanging around for a given AM.
We have app and app-attempt metrics. We can simply capture the aggregate
wait-time across all containers for an app, that works? A metric is better than
the log IMO for your specific request.
> log container allocation requests
> ---------------------------------
>
> Key: YARN-2806
> URL: https://issues.apache.org/jira/browse/YARN-2806
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Allen Wittenauer
>
> I might have missed it, but I don't see where we log application container
> requests outside of the DEBUG context. Without this being logged, we have no
> idea on a per application the lag an application might be having in the
> allocation system.
> We should probably add this as an event to the RM audit log.
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