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