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https://issues.apache.org/jira/browse/YARN-10456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17215416#comment-17215416
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Eric Payne commented on YARN-10456:
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Both {{CSQueueMetrics}} and {{FSQueueMetrics}} are also children of
{{QueueMetrics}}, and when those classes output {{QueueMetrics}} records, their
RECORDNAME is {{QueueMetrics}}. These two child classes are mutually exclusive
since Capacity Scheduler and Fair Scheduler will never be running at the same
time. However, what makes {{PartitionQueueMetrics}} different is that it will
be writing out records intermingled with {{QueueMetrics}}. If they both have
the same RECORDNAME, it confuses the Simon reader.
> RM PartitionQueueMetrics records are named QueueMetrics in Simon metrics
> registry
> ---------------------------------------------------------------------------------
>
> Key: YARN-10456
> URL: https://issues.apache.org/jira/browse/YARN-10456
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 3.3.0, 3.2.1, 3.1.4, 2.10.1
> Reporter: Eric Payne
> Assignee: Eric Payne
> Priority: Major
>
> Several queue metrics (such as AppsRunning, PendingContainers, etc.) stopped
> working after we upgraded to 2.10.
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