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From "Sreekanth Ramakrishnan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5738) Split waiting tasks field in JobTracker metrics to individual tasks
Date Wed, 29 Apr 2009 03:03:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703971#action_12703971
] 

Sreekanth Ramakrishnan commented on HADOOP-5738:
------------------------------------------------

The waiting_tasks were kept for compatibility reasons. Should we just remove it or is there
any way we can deprecate the metrics field? 

> 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
>
>
> 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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