| nameServiceName | String | The name of the NameService to which the new NameNode(s) should be added. | [optional] |
| newNNHostIds | List<String> | List of host ids to which new NameNode(s) should be added. | [optional] |
| newNNDataDirs | Map<String, String> | Mapping of NameNode Data Directories list to host id(s), key is the host id, the value is a comma separated list of directories to be set as NameNode Data Directories for the new NameNode(s). | [optional] |
| clearDataDirs | Boolean | Specifies whether the NameNode Data Directories configured should be cleared as a first step, or the command should fail if the directories specified are not empty. | [optional] |
| restartCluster | Boolean | Specifies whether the HDFS dependent services of the cluster should be restarted after the changes are applied, to reconfigure dependent services | [optional] |