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Finished reading the excellent "Instrumenting distributed systems for operational visibility" by @dyanacek aws.amazon.com/builders-libra… adding my two cents + mini summary
1/ Using instrumentation for understanding how a system works is great idea, today's tools are even able to create a real map of the various resources that interact with each other.
2/ You can't use cat, grep, sed, and awk on your #Serverless application, you definitely need another set of tools
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The user can configure SQS, which will decouple the call between the EC2 application and S3. Thus, the application does not keep waiting for S3 to provide the data.
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Auto Scaling enables you to follow the demand curve for your applications closely, reducing the need to manually provision Amazon EC2 capacity in advance.
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