Understanding AWS Lambda Proactive Initialization

AWS Lambda warms up your functions, such that 50%-85% of Lambda Sandbox initializations don't increase latency for users. In this article we'll define Proactive Initialization, observe its frequency, and help you identify invocations where your cold starts weren't really that cold. July 13, 2023 This post is both longer and more popular than I anticipated, so I’ve decided to add a quick summary: T

[kiririmode]

cold startのように見えて、実は実行環境がwarm upされているProactive Initializationという仕組みが存在し、あまり時間がかからないようになってる