Service Name |
Set the value to emr-hdfs. |
Username |
Set the value to hadoop. |
Password |
Enter a custom password. |
Namenode URL |
- Enter hdfs://emr-header-1:9000 for a non-HA cluster.
- Enter hdfs://emr-header-1:8020 for an HA cluster.
|
Authorization Enabled |
Select No for a standard cluster and Yes for a high-security cluster.
|
Authentication Type |
- Select Simple for a standard cluster.
- Select Kerberos for a high-security cluster.
|
dfs.datanode.kerberos.principal |
These parameters are required only for a high-security cluster. Set the value to hdfs/_HOST@EMR.${id}.com.
Note You can log on to the host and run the hostname command to obtain the value of ${id} . The number in hostname is the value of ${id}.
|
dfs.namenode.kerberos.principal |
dfs.secondary.namenode.kerberos.principal |
Add New Configurations |
- Name: Set the value to policy.download.auth.users.
- Value: Set the value to hdfs.
|