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https://issues.apache.org/jira/browse/MAPREDUCE-220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Chen updated MAPREDUCE-220:
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Attachment: MAPREDUCE-220-20100806.txt
Hey Eli,
I think returning a tuple is a very good idea. I updated the patch based on
this suggestion.
For the sleep time, when I tested it I increase it because I thought I have to
wait some time for the update counters.
But the counters will be updated at the very beginning of the task. So I
changed it back in the patch.
Thanks for the review,
Scott
> 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
> Components: task, tasktracker
> Reporter: Hong Tang
> Assignee: Scott Chen
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-220-20100616.txt, MAPREDUCE-220-20100804.txt,
> MAPREDUCE-220-20100806.txt, MAPREDUCE-220-v1.txt, MAPREDUCE-220.txt
>
>
> It would be nice for TaskTracker to collect cpu and memory usage for
> individual Map or Reduce tasks over time.
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