Consume

[!NOTE]

not done

A reason for using Kafka is the rate of producer exceed the rate of consumer, you want some buffer in the middle to avoid overflowing the consumer.

1 Consumer Group 4 Partitions	2 Consumer Group 4 Partitions
4 Consumer Group 4 Partitions	5 Consumer Group 4 Partitions
Multiple Consumer Groups

• We cant implement fan-out pattern using one consumer group, we need to create multiple of them
• No point adding more consumers than producers, some consumers will be idle.