mapred-site.xml

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

<!-- Put site-specific property overrides in this file. -->

<configuration>


<property>
  <name>mapred.job.tracker</name>
  <value>10.18.60.1:54311</value>
  <description>The host and port that the MapReduce job tracker runs
  at.  If "local", then jobs are run in-process as a single map
  and reduce task.
  </description>
</property>

<property>
        <name>mapred.map.tasks</name>
        <value>10</value>
        <description>
                As a rule of thumb, use 10x the number of slaves (i.e., number
                of tasktrackers).
        </description>
  </property>

  <property>
        <name>mapred.reduce.tasks</name>
        <value>2</value>
        <description>
                As a rule of thumb, use 2x the number of slave processors
                (i.e., number of tasktrackers).
        </description>
  </property>


<property>
  <name>mapred.local.dir</name>
  <value>/opt/hadoop/hdfs/mapred/local</value>
</property>



</configuration>