Phoenix

If you are using Phoenix, you must check if you have enabled namespace mapping.

If you are using Phoenix, you must check if you have enabled namespace mapping. In Ambari’s HBase service, check the following HBase configurations to see if you have mapped Phoenix schemas to the HBase namespaces. HBase namespaces enable tighter control of where a particular data set is stored on the HBase RegionsServers.
HBase Config Value
phoenix.schema.isNamespaceMappingEnabled true
phoenix.schema.mapSystemTablesToNamespace true