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https://issues.apache.org/jira/browse/HADOOP-5738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705512#action_12705512
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Hong Tang commented on HADOOP-5738:
-----------------------------------

@Sreekanth, sorry for my distracting comments. I guess Chris is right and we 
should keep "waiting_tasks" for now, and possibly remove it in future major 
releases.

> Split waiting tasks field in JobTracker metrics to individual tasks
> -------------------------------------------------------------------
>
>                 Key: HADOOP-5738
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5738
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred, metrics
>            Reporter: Sreekanth Ramakrishnan
>            Assignee: Sreekanth Ramakrishnan
>         Attachments: HADOOP-5738-1.patch, HADOOP-5738-2.patch
>
>
> Currently, job tracker metrics reports waiting tasks as a single field in 
> metrics. It would be better if we can split waiting tasks into maps and 
> reduces. 

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