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https://issues.apache.org/jira/browse/MAPREDUCE-3589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ade updated MAPREDUCE-3589:
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Attachment: MAPREDUCE-3589-v1.patch
> Add metrics to tasktracker to indicate the number of slots occupied
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-3589
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3589
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.20.203.0, 0.20.205.0, 0.22.0
> Reporter: ade
> Priority: Minor
> Labels: patch
> Attachments: MAPREDUCE-3589-v1.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The number of tasks running on the tasktracker is indicated by
> maps/reduces_running metrics. But, if multiple slots occupied by a
> task(capacity scheduler), we can not get info of the slot. So, add metrics to
> tasktracker to indicate the number of slots occupied
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