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From "Amir Youssefi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3956) map-reduce doctor (Mr Doctor)
Date Fri, 15 Aug 2008 04:06:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622802#action_12622802

Amir Youssefi commented on HADOOP-3956:

Also there is another path to gathering logs as the job runs, that is to use Chukwa. 

This way Chukwa can give us other metrics e.g. CPU utilization to be fed to Mr. Doctor.

> map-reduce doctor (Mr Doctor)
> -----------------------------
>                 Key: HADOOP-3956
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3956
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Amir Youssefi
> Problem Description: 
>  Users typically submit jobs with sub-optimal parameters resulting in under-utilization,
black-listed task-trackers, time-outs, re-tries etc.
>  Issue can be mitigated by submitting job with custom Hadoop parameters.

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