hadoop ranger is one of data security component. Ranger is enabled for auditing. Ranger is mostly used by “security administrator”. Ranger is just a part of overall security of Hadoop.
This feature is enabled, so outside users and service accounts can have restricted access to cluster.
Hadoop Ranger provides capability to ensure resource access at granule level. Ranger is memory consuming tool and need to be placed carefully.
Ranger node should be capable of taking workload. It means ranger node has to be resource full.
Ranger means audit. “Security Administrator” is a business function where as “Hadoop Administrator’ is a technical role.
Cluster status after configuration
Legal: It’s a small personal cluster. Document cannot be reproduced without owner’s consent.