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From "Hong Tang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5751) Collecting cpu and memory usage for MapReduce tasks
Date Mon, 27 Apr 2009 23:23:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703433#action_12703433
] 

Hong Tang commented on HADOOP-5751:
-----------------------------------

Such information may be useful in several ways:
- Visualizing the resource usage of a user job over time.
- Identifying user application hotspots.
- Identifying scheduling anomaly in MapReduce framework.

> Collecting cpu and memory usage for MapReduce tasks
> ---------------------------------------------------
>
>                 Key: HADOOP-5751
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5751
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Hong Tang
>
> It would be nice for TaskTracker to collect cpu and memory usage for individual Map or
Reduce tasks over time.

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