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Serverless Architectures on AWS: With examples using AWS Lambda by Peter Sbarski

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Appendix D. Lambda insider

This appendix covers

  • Execution environment
  • Lambda’s limitations
  • Older runtimes

Chapter 6 focuses on AWS Lambda, but it’s a rather vast topic, so we had to omit some things. This appendix covers information not included in chapter 6, such as information about Lambda’s execution environment, inherent limitations, and older runtimes.

D.1. Execution environment

At the time we wrote this appendix, Lambda ran on Amazon Linux with kernel version 4.1.17-22.30.amzn1.x86-24. If you’re like us, you might be interested in peeking under the hood and exploring the environment that Lambda has to offer. Luckily, we can get a bit of understanding of what’s under the covers by running shell commands. To try this yourself, do ...

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