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Kafka Replication

We are working on the project where we wish to use Kafka. Based on our learning we have few queries:

Reference URL: https://www.youtube.com/watch?v=BGhlHsFBhLE#t=40m53s

  1. In multiple nodes multiple brokers architecture, can consumer read from in-sync follower?

  2. Any Kafka documentation links that gives us a walk through around such an architecture?

  3. Kafka says that "Producers and Consumers both write to and read from the LEADER replica and Follower replica is a High Availability solution and not meant to be read data from" In this case, how does a same TOPIC be read from multiple brokers? Any documentation / reference links that can help me how this can be achieved?

  4. If the concept of "LEADER / FOLLOWER" is at the partition level and topics reside within a partition, then how can a topic be read from multiple brokers (as the replication on other brokers will be a FOLLOWER replica – from which data cannot be read)?

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