Hi, I am wondering about Kafka behavior.
So, let me explain the use case I face. I have 2 different groups of consumers: * group of consumers G1 to consume only msgs from topic T1 * group of consumers G2 to consume only msgs from topic T2 The question is... What happens if I set the same group.id for both groups? On one side, I say to Kafka: nodes in G1 and G2 are completely separated, as they read distinct topics. On the other side, I say to Kafka: nodes in G1 and G2 are somewhat similar, as they have the same group.id. * Is this use case authorized ? * if so, is Kafka behavior well defined for such a use case ? and what is the use case ? * even if authorized, I guess it's not the best pratice (to have distinct group of consumers with different topics but the same group.id), isn't it ? Many thanks. Regards, Dominique