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https://issues.apache.org/jira/browse/YARN-6195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15955716#comment-15955716
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Naganarasimha G R commented on YARN-6195:
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Hi [~benson.qiu] & [~jlowe], Sorry for pitching in late!
IIUC currently we are not considering partition while updating queue metrics
like allocatedMB / allocatedVCores / pendingMB / pendingVCores / reservedMB /
reservedVCores... So as [~jlowe] mentioned many of the metrics in QueueMetrics
needs to consider partition. Or at least it should be always giving *Default
Partition*'s statistics (for better compatability).
IMHO i would opt to show default partition used/absolute-used metrics than/
showing max of used/absolute-used among the partition for following reasons :
# it will not be in sync with other existing metrics captured (which also needs
to be converted to provide only for default partition)
# we might show used metric of one partition and absolute-used of other
partition, as we are considering the max.
Agree with [~jlowe] the best solution is per partition stats but max across
partition would loose the significance of its value and admin cannot deduce
anything from it. Also it would be better to have {{QueueMetrics Per
partition}} similar to what we have {{QueueMetrics for users}} currently, but
just that all fields might not make sense for PartitionQueueMetrics.
> Export UsedCapacity and AbsoluteUsedCapacity to JMX
> ---------------------------------------------------
>
> Key: YARN-6195
> URL: https://issues.apache.org/jira/browse/YARN-6195
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacityscheduler, metrics, yarn
> Affects Versions: 3.0.0-alpha3
> Reporter: Benson Qiu
> Assignee: Benson Qiu
> Attachments: YARN-6195.001.patch, YARN-6195.002.patch,
> YARN-6195.003.patch
>
>
> `usedCapacity` and `absoluteUsedCapacity` are currently not available as JMX.
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