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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1195) Task resource utilization reporting for profiling and scheduling
Date Fri, 06 Nov 2009 19:46:33 GMT
Task resource utilization reporting for profiling and scheduling
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                 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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