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From "Paco Nathan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4559) Rest API for retrieving job / task statistics
Date Wed, 26 Nov 2008 01:52:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650838#action_12650838
] 

Paco Nathan commented on HADOOP-4559:
-------------------------------------

> Isn't most of this provided through job history?

No, not really. Not if a long-running workflow requires these measurements for automated decisions.

While a human can *read* the job history data from JSP pages, there's no current means for
the app code which calls ToolRunner to obtain that data and use it to alter the workflow.

> Rest API for retrieving job / task statistics 
> ----------------------------------------------
>
>                 Key: HADOOP-4559
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4559
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Florian Leibert
>            Priority: Trivial
>             Fix For: 0.20.0
>
>         Attachments: HADOOP-4559.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> a rest api that returns a simple JSON containing information about a given job such as:
 min/max/avg times per task, failed tasks, etc. This would be useful in order to allow external
restart or modification of parameters of a run.

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