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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-220) Collecting cpu and memory usage for MapReduce tasks
Date Wed, 18 Nov 2009 18:18:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779572#action_12779572
] 

Olga Natkovich commented on MAPREDUCE-220:
------------------------------------------

It would be very useful for profiling purposes if applications could get resource utilization
information via counters. Either detailed information for each map/reduce or min/max/average
could be useful.

- Average CPU utilization
- Max memory usage
- Average inbound and outbound I/0. (Not sure if it is possible to obtain this information
on per process basis.)

> 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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