Kafka - Message Delivery Semantics
You want to implement at-least-once delivery in Kafka with batch processing. Which approach is best?
You want to implement at-least-once delivery in Kafka with batch processing. Which approach is best?
hard🚀 Application Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand batch processing with at-least-once
Processing the whole batch first and committing offsets after success ensures no message loss and avoids partial commits.Step 2: Evaluate options
Process batch, then commit offsets for entire batch after success commits offsets after batch processing, matching at-least-once semantics. Other options risk message loss or duplicates.Final Answer:
Process batch, then commit offsets for entire batch after success -> Option AQuick Check:
Commit offsets after batch processing for at-least-once [OK]
Quick Trick: Commit offsets after batch processing to ensure no message loss [OK]
Common Mistakes:
MISTAKES- Committing offsets before processing batch
- Committing offsets per message in batch unnecessarily
- Relying on auto commit for at-least-once
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