Identify repeated events and prevent duplicated data with AWS services by Satya Ravinuthala - Staff Technology Engineer
Avoid data duplication
Recently I experienced something that you usually hear about when going through resources around cloud and distributed systems, which is everything fails, and you need to plan for it. This doesn’t just mean infrastructure failure but also software failure. Now, if you ever went through any of the AWS messaging services documentation like SNS and SQS, I am sure you have read somewhere in the documentation that they ‘promise’ at least one message delivery and they don’t guarantee exactly one.…
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