Java Consumer Inside a Consumer Group

The video tutorial explores Kafka consumer groups, focusing on group ID changes and their effects on message consumption. It demonstrates how rebalances occur when multiple consumers are part of the same group, showing how partitions are reassigned. The tutorial includes practical demos of starting and stopping consumers, highlighting the impact on partition assignments and rebalances. It concludes with a brief look at coding a consumer properly.

How can you verify the current offset of a consumer group?

What is the role of the bootstrap server in a Kafka consumer setup?

What are the implications of having multiple consumers in the same group?