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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-220) Collecting cpu and memory usage for MapReduce tasks
Date Fri, 06 Aug 2010 16:52:23 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12896084#action_12896084
] 

Eli Collins commented on MAPREDUCE-220:
---------------------------------------

Hey Scott, 

Latest patch looks good to me.  I assume the redundant calls to getProcessTree be handled
in MR-901, worth returning the values as a tuple in the mean time? Out of curiosity for the
test why did the map and reduce sleeps time need to be bumped to 5s? Wouldn't anything >1s
pass?

Thanks,
Eli 

> 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-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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