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You see this error in Kafka producer logs: Idempotent producer requires acks=all. What should you do?

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Kafka - Producers
You see this error in Kafka producer logs: Idempotent producer requires acks=all. What should you do?
ADisable idempotency by setting <code>enable.idempotency</code> to false.
BSet <code>acks</code> configuration to 'all'.
CIncrease <code>retries</code> to a higher number.
DSet <code>acks</code> to 0.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the error message

    The error says idempotent producer requires acks=all for safe delivery guarantees.

  2. Step 2: Fix the configuration

    Set acks to 'all' to satisfy the requirement and enable idempotency.

  3. Final Answer:

    Set acks configuration to 'all'. -> Option B

  4. Quick Check:

    Idempotency requires acks='all' [OK]
Quick Trick: Set acks='all' for idempotent producer [OK]
Common Mistakes:
  • Disabling idempotency instead of fixing acks
  • Increasing retries without fixing acks
  • Setting acks to 0 which disables acknowledgments

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