Interview question. A Kafka consumer group has 24 partitions and 12 members. During a rolling deployment, consumer ownership changes repeatedly, throughput collapses, and lag climbs even though the brokers are healthy. Diagnose the mechanism and propose safe fixes for different Kafka consumer-group protocols.
Queues, Streams & Event Processing · Staff
How would you diagnose and fix repeated Kafka consumer-group rebalances that stop processing?
Designing Reliable Distributed Messaging Systems · Part 5 of 6 · 5 min read
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