yarn-site.xml配置

<configuration>
<!-- Site specific YARN configuration properties -->
 <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
        <description>NodeManager上运行的附属服务。需配置成mapreduce_shuffle，才可运行MapReduce程序</description>
    </property>
<property>
    <name>yarn.resourcemanager.hostname</name>
    <value>master</value>
    <description>resourcemanager</description>
</property>
<property>
    <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>
    <value>org.apache.hadoop.mapred.ShuffleHandle</value>
     <description>NodeManager上运行的附属服务。需配置成mapreduce_shuffle，才可运行MapReduce程序</description>
</property>
 <property>
   <name>yarn.nodemanager.vmem-check-enabled</name>
    <value>false</value>
    <description>由于我的测试机内存少，所以就关闭虚拟内存检测s</description>
  </property>
 <property>
        <name>yarn.resourcemanager.resource-tracker.address</name>
        <value>master:8025</value>
        <description>The hostname of the RM.</description>
   </property>
    <property>
        <name>yarn.resourcemanager.scheduler.address</name>
        <value>master:8030</value>
        <description>The hostname of the RM.</description>
    </property>
    <property>
        <name>yarn.resourcemanager.address</name>
        <value>master:8050</value>
        <description>The hostname of the RM.</description>
    </property>
</configuration>