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https://issues.apache.org/jira/browse/YARN-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128997#comment-14128997
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Sandy Ryza commented on YARN-2532:
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For the FS at least, this is just FSAppAttempt.getDemand() -
FSAppAttempt.getResourceUsage(), no?
> Track pending resources at the application level
> -------------------------------------------------
>
> Key: YARN-2532
> URL: https://issues.apache.org/jira/browse/YARN-2532
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Affects Versions: 2.5.1
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
>
> SchedulerApplicationAttempt keeps track of current consumption of an app. It
> would be nice to have a similar value tracked for pending requests.
> The immediate uses I see are: (1) Showing this on the Web UI (YARN-2333) and
> (2) updating demand in FS in an event-driven style (YARN-2353)
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