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https://issues.apache.org/jira/browse/MAPREDUCE-1201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786882#action_12786882
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Vinod K V commented on MAPREDUCE-1201:
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The patch looks good overall. Only minor comments will improve maintainability:
- Rename JIFFY_LENGTH to JIFFY_LENGTH_IN_MILLIs?
- Tree-dump
-- Change UTIME to USER_MOD_TIME and STIME to SYSTEM_TIME ?
-- Change the tree-dump header to include the units, i.e. "UTIME(MILLIS)
STIME(MILLIS)"
> Make ProcfsBasedProcessTree collect CPU usage information
> ---------------------------------------------------------
>
> Key: MAPREDUCE-1201
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1201
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1201-v2.patch, MAPREDUCE-1201.patch
>
>
> This information can be reported back to jobtracker to help profiling jobs
> and scheduling tasks.
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