AtScale does not support HDFS namespace configuration. However, the AtScale client can be configured with two Namenodes configured for HA in the cluster.
While configuring AtScale with HDFS HA, Namenode1 and Namonode2 must be added to the Edit Datawarehouse screen. Namespace should not be used.
For example:
1. Login to the Design Center as an Admin user
2. Navigate to SETTINGS => Organization Settings => Data Warehouses
3. Edit on Hadoop Data Warehouse and click "add Namenode 2"