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https://issues.apache.org/jira/browse/MAPREDUCE-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779284#action_12779284
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Hong Tang commented on MAPREDUCE-220:
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+1 on holding off this Jira until MAPREDUCE-901 is committed.
+1 on moving B* to MAPREDUCE-1218.
I'd also propose A4. Total number of child processes in the process tree rooted
from the main task process. (Assuming A1, A2, A3 are cumulative metrics on all
sub-processes launched by the main task process).
> Collecting cpu and memory usage for MapReduce tasks
> ---------------------------------------------------
>
> Key: MAPREDUCE-220
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-220
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Hong Tang
> Assignee: Scott Chen
>
> It would be nice for TaskTracker to collect cpu and memory usage for
> individual Map or Reduce tasks over time.
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