Data Lake for Enterprises

Apache Sentry

Apache Sentry is a system for enforcing fine grained role based authorization to data and metadata stored on a Hadoop cluster.

- https://sentry.apache.org/

The working of Apache Sentry is very much similar to Apache Ranger. This figure shows the working of Sentry:

Figure 14: Working of Apache Sentry

Sentry plugin needs to be installed on any of the data processing technologies (Hive, Impala and so on). Any access to data in these technology is first intercepted by the plugin and if it meets all the security policies defined in the policy metadata clubbed with Sentry Server, it allows access. The Sentry server is entrusted to ...