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From "Khaled Elmeleegy (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-712) TextWritter example is CPU bound!!
Date Mon, 06 Jul 2009 20:39:14 GMT
TextWritter example is CPU bound!!
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                 Key: MAPREDUCE-712
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-712
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: task
    Affects Versions: 0.20.1, 0.21.0
         Environment: ~200 nodes cluster
Each node has the following configuration:
Processors:     2 x Xeon L5420 2.50GHz (8 cores) - Harpertown C0, 64-bit, quad-core (8 CPUs)
4 Disks
16 GB RAM
Linux 2.6
Hadoop version: trunk
            Reporter: Khaled Elmeleegy


Running the RandomTextWritter example job ( from the examples jar) pegs the machiens' CPUs.

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