问题描述
根据 >
Amazon SQS是旨在提供至少一次"传递队列.尽管大多数情况下，每条消息都会传递到您的应用程序只运行一次，就应该设计系统，以便多次处理一条消息不会产生任何错误或不一致.
Amazon SQS isengineered to provide "at least once" delivery of all messages in itsqueues. Although most of the time each message will be delivered toyour application exactly once, you should design your system so thatprocessing a message more than once does not create any errors orinconsistencies.
是否有良好的实践来实现一次准确投放?
Is there any good practice to achieve the exactly-once delivery?
我当时正在考虑使用DynamoDB 有条件的书写" 作为分布式锁定机制，但是...还有更好的主意吗?
I was thinking about using the DynamoDB "Conditional Writes" as distributed locking mechanism but... any better idea?
对此主题的一些引用:
- At-least-once delivery (Service Behavior)
- Exactly-once delivery (Service Behavior)
推荐答案
FIFO队列现在可用并提供有序的请求，开箱即用.
FIFO queues are now available and provide ordered, exactly once out of the box.
https://aws.amazon.com/sqs/faqs/#fifo-队列
检查您所在地区的可用性.
Check your region for availability.
这篇关于实现“精确一次交付"的良好做法是什么? Amazon SQS的行为?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！