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							- <?xml version="1.0"?>
 
- <configuration>
 
-     <property>
 
-         <name>mapreduce.framework.name</name>
 
-         <value>yarn</value>
 
-     </property>
 
-     <property>
 
- 	  <name>mapreduce.map.memory.mb</name>
 
- 	  <value>640</value>
 
- 		<description>每个Map任务的物理内存限制</description>
 
- 	</property>
 
- 	<property>
 
- 	  <name>mapreduce.reduce.memory.mb</name>
 
- 	  <value>1280</value>
 
- 		<description>每个Reduce任务的物理内存限制</description>
 
- 	</property>
 
- 	<property>
 
- 	  <name>mapreduce.map.java.opts</name>
 
- 	  <value>-Xmx512M</value>
 
- 	</property>
 
- 	<property>
 
- 	  <name>mapreduce.reduce.java.opts</name>
 
- 	  <value>-Xmx1024M</value>
 
- 	</property>
 
- </configuration>
 
 
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