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...
  <provider>
    <role>ha</role>
    <name>HaProvider</name>
    <enabled>true</enabled>
    <param>
      <name>WEBHDFS</name>
      <value>maxFailoverAttempts=3;failoverSleep=1000;maxRetryAttempts=300;retrySleep=1000;enabled=true</value>
    </param>
    <param>
      <name>HIVE</name>
      <value>maxFailoverAttempts=3;failoverSleep=1000;enabled=true;zookeeperEnsemble=host1:2181,host2:2181,host3:2181;zookeeperNamespace=hiveserver2</value>
    </param>
  </provider>
</gateway>

<service>
  <role>WEBHDFS</role>
  <url>http://c6801.ambari.apache.orghost1:50070/webhdfs</url>
  <url>http://c6802.ambari.apache.orghost2:50070/webhdfs</url>
</service>
 
<service>
  <role>HIVE</role>
</service>
...