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From "ade (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3589) Add metrics to tasktracker to indicate the number of slots occupied
Date Wed, 21 Dec 2011 10:27:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ade updated MAPREDUCE-3589:
---------------------------

    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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