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https://issues.apache.org/jira/browse/MAPREDUCE-1218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779279#action_12779279
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Hong Tang commented on MAPREDUCE-1218:
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Such information may be usable across both MapReduce and HDFS, and could be a
standalone *real-time* load collection mechanism. A logical extension here is
to include io-load in the reporting too.
> Collecting cpu and memory usage for TaskTrackers
> ------------------------------------------------
>
> Key: MAPREDUCE-1218
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1218
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Environment: linux
> Reporter: Scott Chen
> Assignee: Scott Chen
>
> The information can be used for resource aware scheduling.
> Note that this is related to MAPREDUCE-220. There the per task resource
> information is collected.
> This one collects the per machine information.
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