Byte Ebi's Logo

Byte Ebi 🍀

A Bit everyday A Byte every week

[AWS Cloud Fundamental Notes] Lambda

Introduction to Lambda and its usage and operational mechanism


Uploading the program to the Lambda service enables quick activation when network packets are sent in for request access, achieving a pay-as-you-go model.

Core Structure


When there are requests from external users or AWS services, an Event is sent to Lambda.


Responsible for receiving Events in Lambda, it will trigger the corresponding Function.


Used to process Events, and can be configured with IAM Role to allow Functions to schedule other AWS Resources.

Version Control

Version control is done through Version, allowing new versions to be released for beta testing without affecting the production environment.

Aliases can be used to specify different Versions for different environments.


  • The larger the memory, the stronger the Lambda computing capability, and the more expensive the charges.
  • The longer the computing time, the higher the cost.

Recent Posts