Process update events for each order in sequence.
Make duplicate delivery less likely to cause the same message to be processed twice.
Which queue is most appropriate?
Use an Amazon SQS FIFO queue with MessageGroupId and deduplication so messages in the same group are ordered and duplicates are suppressed.
Detailed explanation
FIFO queues provide ordering within a message group and deduplication support.
FIFO queues provide ordering within a message group and deduplication support.
CloudFront caching does not control message processing order.
CloudFront caching does not control message processing order.
Object names do not control queue delivery order or message deduplication.
Object names do not control queue delivery order or message deduplication.
Standard queues provide high throughput but do not always guarantee order or eliminate duplicates.
Standard queues provide high throughput but do not always guarantee order or eliminate duplicates.
Check official documentation
Compare the following points with the official documentation.
Amazon SQS FIFOキューのMessageGroupIdと重複排除の公式説明を確認する。
What to confirm
StandardとFIFOの配信特性を要件から選択できる。
Key points
- SQS FIFO
- MessageGroupId
- Deduplication
Notes
- Environment: AWS公式SQSドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
Delivery semantics
FIFO features address order and duplicate handling, while consumers should still be designed for safe retries.
Group scope
Ordering applies within a message group rather than creating one global order for all messages.