What are common failure modes of Consumer Groups and Rebalance?

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→How does Consumer Groups and Rebalance change at 10× traffic?Open
→What are common failure modes of Consumer Groups and Rebalance?Open
→How would you debug production issues related to Consumer Groups and Rebalance?Open

Parent context — Consumer Groups and Rebalance

Use Consumer Groups and Rebalance as the core idea. Example shape: 6 partitions, 3 consumers → each gets 2 partitions; add 4th consumer triggers rebalance..

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