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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1195) Task resource utilization reporting for profiling and scheduling
Date Fri, 06 Nov 2009 22:16:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774444#action_12774444

Scott Chen commented on MAPREDUCE-1195:

Hi Arun, Thanks for pointing this out. I will work on that one and move my comments there.

> Task resource utilization reporting for profiling and scheduling
> ----------------------------------------------------------------
>                 Key: MAPREDUCE-1195
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1195
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Scott Chen
> We can make TaskTracker reports its usage on CPU, memory, bandwidth to JobTracker. JobTracker
can use the information for scheduling tasks and profiling jobs. 
> One way to do this is to first make ProcfsProcessTree to collect the utilization information
(CPU, mem...) and write the information in TaskTrackerStatus.taskReports and send them with
the heartbeats. Then we can aggregate these information in JobInProgress to do job profiling
and scheduling.

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