DataNode ,Client hdfs-site.xml

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

<!-- Put site-specific property overrides in this file. -->

<configuration>

    <property>
        <name>dfs.federation.nameservices</name>
        <value>ns1,ns2,ns3</value>
    </property>

    <!-- Configuring Name Node 1 -->

    <property>
        <name>dfs.namenode.rpc-address.ns1</name>
        <value>hdfs://localhost:33333/</value>
    </property>
    <property>
    <name>dfs.namenode.http-address.ns1</name>
        <value>localhost:44444</value>
    </property>

    <!-- Configuring Name Node 2 -->

    <property>
        <name>dfs.namenode.rpc-address.ns2</name>
        <value>hdfs://localhost:33334</value>
    </property>
    <property>
        <name>dfs.namenode.http-address.ns2</name>
        <value>localhost:44446</value>
    </property>

    <!-- Configuring Name Node 3 -->

    <property>
        <name>dfs.namenode.rpc-address.ns3</name>
        <value>hdfs://localhost:33335</value>
    </property>
    <property>
        <name>dfs.namenode.http-address.ns3</name>
        <value>localhost:44448</value>
    </property>

    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>