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https://issues.apache.org/jira/browse/MAPREDUCE-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated MAPREDUCE-2323:
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Attachment: mr-2323.txt
Slightly improved patch - the main code is the same, but this fixes some flaky
behavior in the tests. I previously wasn't unregistering the metrics updater in
fairsched's termination method, so different test cases were interacting poorly
with eachother.
This should be ready for review.
> Add metrics to the fair scheduler
> ---------------------------------
>
> Key: MAPREDUCE-2323
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2323
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: contrib/fair-share
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: mr-2323-20.txt, mr-2323.txt, mr-2323.txt
>
>
> It would be useful to be able to monitor various metrics in the fair
> scheduler, like demand, fair share, min share, and running task count.
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