Delivery Guarantees & Ordering

At-least-once delivery, per-partition ordering, consumer dedup, and transactional producers.

0 / 6 solved

Question Tags Difficulty Success

1. Charged Twice on Retry

consumer-dedupidempotency +1

Medium —

2. Atomic but Not Magic

transactional-producerexactly-once +1

Medium —

3. Read The Fine Print

exactly-oncedelivery-semantics +2

Hard —

4. Outside The Transaction

kafkatransactions +2

Hard —

5. Four Became Six

kafkaordering +2

Hard —

6. The Quarantine Comes Back

poison-messageout-of-order-handling +2

Insane —

Learning Resources

Apache Kafka, delivery semantics

Up next

6 of 6 questions here are still unsolved.

Next module Backpressure, DLQ & Retries