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From "Cherian, George" <gcher...@barclaycardus.com>
Subject Consumer Group is for Scale or Security?
Date Mon, 24 Jul 2017 21:45:22 GMT

We have Cloudera as the vendor for Kafka, and when they implemented Sentry for security they
implemented two configurations.

1.       Map an AD Group (Sentry Role) to map to a Topic to grant the specific permission
(Read, Write, Describe etc.)

2.       Map this AD Group (Sentry Role)  to the Consumer Group in Kafka to grant which Consumer
Group can Read from Kafka

We believe that the Consumer Group feature is meant for Load Balancing, and not for Security,
and hence it does not make sense to map an AD Group to Consumer Group for enforcing any Security
constraints. Can you please clarify this conceptually, is consumer group designed for Scale
or for Security?




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