Thanasis Naskos / Deploy Hadoop _btj edition_

mapred-site.xml 1.18 KB
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<?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>http://JOBTRACKER_IP:9001</value>
	</property>

	<property>
		<name>mapred.tasktracker.map.tasks.maximum</name>
		<value>MAPTASKSPERTASKTRACKER</value>
	</property>
	<property>
		<name>mapred.tasktracker.reduce.tasks.maximum</name>
		<value>REDUCETASKSPERTASKTRACKER</value>
	</property>

	<property>
	  <name>mapred.map.tasks</name>
	  <value>TOTALMAPTASKS</value>
	</property>

	<property>
	  <name>mapred.reduce.tasks</name>
	  <value>TOTALREDUCETASK</value>
	</property>

	<property>
	  <name>mapred.map.child.java.opts</name>
	  <value>-XmxMAPMEMORYm</value>
	</property>

	<property>
	  <name>mapred.reduce.child.java.opts</name>
	  <value>-XmxREDUCEMEMORYm</value>
	</property>

	<property>
	  <name>mapreduce.job.counters.limit</name>
	  <value>500</value>
	</property>

	<property>
		<name>mapred.task.timeout</name>
		<value>60000000</value>
	</property>
	<property>
		  <name>mapred.hosts.exclude</name>
		  <value>/opt/hadoop-1.2.1/conf/exclude</value>
	</property>
</configuration>