Kafka - Message Delivery Semantics
Which Kafka producer configuration enables at-most-once delivery?
producer = KafkaProducer(acks=?, retries=? )
Which Kafka producer configuration enables at-most-once delivery?
easy📝 Syntax Q12 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify settings for at-most-once
At-most-once requires no retries and no acknowledgments, soacks=0andretries=0are needed.Step 2: Check other options
Other options enable retries or acknowledgments, which allow retries and possible duplicates, not at-most-once.Final Answer:
acks=0, retries=0 -> Option BQuick Check:
acks=0 & retries=0 = at-most-once [OK]
Quick Trick: Set acks and retries to zero for at-most-once [OK]
Common Mistakes:
MISTAKES- Setting retries > 0 allows retries, not at-most-once
- Using acks=all causes waiting for confirmation
- Confusing acks=1 with acks=0
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