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Posted to common-dev@hadoop.apache.org by "Hong Tang (JIRA)" <ji...@apache.org> on 2009/01/21 23:53:59 UTC

[jira] Created: (HADOOP-5098) Support detailed timing for MapReduce job

Support detailed timing for MapReduce job
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                 Key: HADOOP-5098
                 URL: https://issues.apache.org/jira/browse/HADOOP-5098
             Project: Hadoop Core
          Issue Type: New Feature
          Components: mapred
    Affects Versions: 0.21.0
            Reporter: Hong Tang


It would be nice to break down the time each individual Map task or Reduce task spends on reading input, writing output, and executing the map() or reduce() calls. 

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