Serverless lessons learned #5 retries
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The document discusses the importance of understanding retry mechanisms in AWS services when building serverless applications. It highlights potential issues such as errors and unexpected behavior caused by retries, emphasizing the need for awareness of when and how retries occur. The content encourages readers to engage and share their thoughts on the topic.
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Serverless lessons learned #5 retries
- 1. Retries ? Serverless on AWS lessons learned #5 Are you really production-ready?
- 2. AWS Services calls are made over a network via REST- APIs. Conveniently wrapped by the AWS SDK.
- 3. A lot of components in a network can* fail! *will at some point ● DNS errors ● faulty switches ● load balancer and more...
- 4. A common approach in distributed systems is implementing retry mechanisms. And so did AWS!
- 6. Errors will occur! Retries will be made! Events will be processed twice! Unexpected behavior!
- 7. Retries are awesome, if you are well aware of how, when and where they can happen.
- 8. Make sure you are aware of retries and understand the behavior of your used services and SDKs! more information and links in the description
- 9. Examples AWS SDK service calls 5XX & throttling SQS lambda subscription Lambda async invocation
- 10. Retries
- 11. thumbs up, comment, share What are your thoughts? Is anything important missing? If you liked it, please leave a comment. connect with me!