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https://issues.apache.org/jira/browse/YARN-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13865154#comment-13865154
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Zhijie Shen commented on YARN-1166:
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bq. What I meant is the activeApplications and PendingApplications inside
LeafQueue, these two also end up showing metrics on the scheduler UI and these
two are different from the pending/running metrics of the QueueMetrics.
Those two metrics alter with application attempt being added/activated/removed,
which is similar to those in QueueMetrics. IMHO, it is reasonable that the
pending/active metrics (either in LeafQueue or QueueMetrics) is binding to
application attempt, given one application can at most have one attempt at any
time.
> YARN 'appsFailed' metric should be of type 'counter'
> ----------------------------------------------------
>
> Key: YARN-1166
> URL: https://issues.apache.org/jira/browse/YARN-1166
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.1.0-beta
> Reporter: Srimanth Gunturi
> Assignee: Zhijie Shen
> Priority: Blocker
> Attachments: YARN-1166.2.patch, YARN-1166.3.patch, YARN-1166.4.patch,
> YARN-1166.5.patch, YARN-1166.6.patch, YARN-1166.7.patch, YARN-1166.patch
>
>
> Currently in YARN's queue metrics, the cumulative metric 'appsFailed' is of
> type 'guage' - which means the exact value will be reported.
> All other cumulative queue metrics (AppsSubmitted, AppsCompleted, AppsKilled)
> are all of type 'counter' - meaning Ganglia will use slope to provide deltas
> between time-points.
> To be consistent, AppsFailed metric should also be of type 'counter'.
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