<configuration>
<property>
<name>dfs.namenode.name.dir</name>
<value>/home/haduser/hadoop/storage/hadoop2/hdfs/name</value>
<description>Path on the local filesystem where the NameNode stores the namespace and transactions logs persistently.</description>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>/home/haduser/hadoop/storage/hadoop2/hdfs/data1,/home/haduser/hadoop/storage/hadoop2/hdfs/data2,/home/haduser/hadoop/storage/hadoop2/hdfs/data3</value>
<description>Comma separated list of paths on the local filesystem of a DataNode where it should store its blocks.</description>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/home/haduser/hadoop/storage/hadoop2/hdfs/tmp/hadoop-${user.name}</value>
<description>A base for other temporary directories.</description>
</property>
</configuration>
5.3、YARN安装配置
配置etc/hadoop/yarn-site.xml文件内容：
<?xml version="1.0"?>
<configuration>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
<value>master:8031</value>
<description>host is the hostname of the resource manager and
port is the port on which the NodeManagers contact the Resource Manager.
</description>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
<value>master:8030</value>
<description>host is the hostname of the resourcemanager and port is the port
on which the Applications in the cluster talk to the Resource Manager.
</description>
</property>
<property>
<name>yarn.resourcemanager.scheduler.class</name>
<value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value>
<description>In case you do not want to use the default scheduler</description>
</property>
<property>
<name>yarn.resourcemanager.address</name>
<value>master:8032</value>
<description>the host is the hostname of the ResourceManager and the port is the port on
which the clients can talk to the Resource Manager. </description>
</property>
<property>
<name>yarn.nodemanager.local-dirs</name>
<value>${hadoop.tmp.dir}/nodemanager/local</value>
<description>the local directories used by the nodemanager</description>
</property>
<property>
<name>yarn.nodemanager.address</name>
<value>0.0.0.0:8034</value>
<description>the nodemanagers bind to this port</description>
</property>
<property>
<name>yarn.nodemanager.resource.memory-mb</name>
<value>10240</value>
<description>the amount of memory on the NodeManager in GB</description>
</property>
<property>
<name>yarn.nodemanager.remote-app-log-dir</name>
<value>${hadoop.tmp.dir}/nodemanager/remote</value>
<description>directory on hdfs where the application logs are moved to </description>
</property>