| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The parameter configurations. | ||
| ApplicationName | string | The name of the application. You can view the application names of each EMR version on the cluster creation page in the EMR console. | HDFS |
| ConfigFileName | string | The name of the configuration file. | hdfs-site.xml |
| ConfigItemKey | string | The key of the configuration item. | dfs.namenode.checkpoint.period |
| ConfigItemValue | string | The value of the configuration item. | 3600s |
| ConfigScope | string | The level at which you want to apply the configurations. Valid values:
Default value: CLUSTER. | NODE_GROUP |
| NodeGroupName | string | The name of the node group. This parameter takes effect only when the ConfigScope parameter is set to NODE_GROUP and the NodeGroupId parameter is not configured. | core-1 |
| NodeGroupId | string | The node group ID. This parameter takes effect only when the ConfigScope parameter is set to NODE_GROUP. The NodeGroupId parameter has a higher priority than the NodeGroupName parameter. | ng-869471354ecd**** |