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humayun0156

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Dec 24th, 2011
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  1. <?xml version="1.0"?>
  2. <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
  3.  
  4. <!-- Put site-specific property overrides in this file. -->
  5.  
  6. <configuration>
  7.  
  8.  
  9. <property>
  10.   <name>mapred.job.tracker</name>
  11.   <value>master:54311</value>
  12.   <description>The host and port that the MapReduce job tracker runs
  13.   at.  If "local", then jobs are run in-process as a single map
  14.   and reduce task.
  15.   </description>
  16. </property>
  17.  
  18. <property>
  19.         <name>mapred.map.tasks</name>
  20.         <value>10</value>
  21.         <description>
  22.                 As a rule of thumb, use 10x the number of slaves (i.e., number
  23.                 of tasktrackers).
  24.         </description>
  25.   </property>
  26.  
  27.   <property>
  28.         <name>mapred.reduce.tasks</name>
  29.         <value>2</value>
  30.         <description>
  31.                 As a rule of thumb, use 2x the number of slave processors
  32.                 (i.e., number of tasktrackers).
  33.         </description>
  34.   </property>
  35.  
  36.  
  37. <property>
  38.   <name>mapred.local.dir</name>
  39.   <value>/opt/hadoop/hdfs/mapred/local</value>
  40. </property>
  41.  
  42.  
  43. </configuration>
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