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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3050) YarnScheduler needs to expose Resource Usage Information
Date Fri, 30 Sep 2011 22:21:45 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun C Murthy updated MAPREDUCE-3050:

          Resolution: Fixed
       Fix Version/s:     (was: 0.24.0)
    Target Version/s: 0.23.0  (was: 0.23.0, 0.24.0)
              Status: Resolved  (was: Patch Available)

I just committed this. Thanks Robert!
> YarnScheduler needs to expose Resource Usage Information
> --------------------------------------------------------
>                 Key: MAPREDUCE-3050
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3050
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, resourcemanager
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Blocker
>             Fix For: 0.23.0
>         Attachments: MR-3050.txt, MR-3050.txt, MR-3050.txt, MR-3050.txt, MR-3050.txt,
MR-3050.txt, MR-3050.txt
> Before the recent refactor The nodes had information in them about how much resources
they were using.  This information is not hidden inside SchedulerNode.  Similarly resource
usage information about an application, or in aggregate is only available through the Scheduler
and there is not interface to pull it out.
> We need to expose APIs to get Resource and Container information from the scheduler,
in aggregate across the entire cluster, per application, per node, and ideally also per queue
if applicable (although there are no JIRAs I am aware of that need this right now).

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