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Hong Tang (JIRA) |
at Apr 27, 2009 at 11:23 pm
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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:
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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
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Key: HADOOP-5751
URL:
https://issues.apache.org/jira/browse/HADOOP-5751Project: 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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