AWS - SNS and SQS
You want to ensure exactly-once processing and strict ordering for messages from multiple producers. Which AWS SQS queue type and configuration should you choose?
You want to ensure exactly-once processing and strict ordering for messages from multiple producers. Which AWS SQS queue type and configuration should you choose?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Identify queue type for exactly-once and ordering
FIFO queues guarantee exactly-once processing and strict ordering.Step 2: Enable content-based deduplication for multiple producers
This avoids duplicate messages without requiring explicit deduplication IDs.Final Answer:
FIFO queue with content-based deduplication enabled -> Option BQuick Check:
Exactly-once + ordering = FIFO + deduplication [OK]
Quick Trick: Use FIFO with content-based deduplication for exactly-once [OK]
Common Mistakes:
MISTAKES- Using standard queue for exactly-once processing
- Disabling deduplication on FIFO queues
- Confusing delay seconds with deduplication
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