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Update Hadoop集群环境搭建.md

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notes/installation/Hadoop集群环境搭建.md
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@ -139,16 +139,17 @@ export JAVA_HOME=/usr/java/jdk1.8.0_201/
#### 4. yarn-site.xml
```xml
<property>
<configuration>
<property>
<!--配置NodeManager上运行的附属服务。需要配置成mapreduce_shuffle后才可以在Yarn上运行MapReduce程序。-->
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
</property>
<property>
<!--resourcemanager的主机名-->
<name>yarn.resourcemanager.hostname</name>
<value>hadoop001</value>
</property>
</property>
</configuration>
```