hadoop2.2.0 yarn-site.xml--WebAppProxy Configuration

<!-- WebAppProxy Configuration-->

  <property>
    <description>The kerberos principal for the proxy, if the proxy is not
    running as part of the RM.</description>
    <name>yarn.web-proxy.principal</name>
    <value/>
  </property>

注释：

  <property>
    <description>Keytab for WebAppProxy, if the proxy is not running as part of 
    the RM.</description>
    <name>yarn.web-proxy.keytab</name>
  </property>

注释：

  <property>
    <description>The address for the web proxy as HOST:PORT, if this is not
     given or if it matches yarn.resourcemanager.address then the proxy will
     run as part of the RM</description>
     <name>yarn.web-proxy.address</name>
     <value/>
  </property>

注释：

  <property>
    <description>Classpath for typical applications.</description>
     <name>yarn.application.classpath</name>
     <value>
        $HADOOP_CONF_DIR,
        $HADOOP_COMMON_HOME/share/hadoop/common/*,
        $HADOOP_COMMON_HOME/share/hadoop/common/lib/*,
        $HADOOP_HDFS_HOME/share/hadoop/hdfs/*,
        $HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*,
        $YARN_HOME/share/hadoop/yarn/*,
        $YARN_HOME/share/hadoop/mapreduce/*,
        $YARN_HOME/share/hadoop/mapreduce/lib/*
     </value>
  </property>

注释：