AWS Lambdas
- Lambdas are like a function floating around in space
- AWS could run your code from scratch every execution
- Technically your function gets deployed on a server (that you can't control)
- A function may get re-used if AWS wants to reuse it
- No strong guarantee of when this happens though
- There is a noticeable performance hit when AWS does not reuse your code
- This is a "cold start"
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