| name_service_name | str | The name of the NameService to which the new NameNode(s) should be added. | [optional] |
| new_nn_host_ids | list[str] | List of host ids to which new NameNode(s) should be added. | [optional] |
| new_nn_data_dirs | dict(str, str) | 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] |
| clear_data_dirs | bool | 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] |
| restart_cluster | bool | Specifies whether the HDFS dependent services of the cluster should be restarted after the changes are applied, to reconfigure dependent services | [optional] |