Benjamin Le Roux posts

Archi & Techno

Cold start / Warm start with AWS Lambda

The serverless brings many benefits for the deployment of web applications such as autoscaling, availability and having a very fine granularity on costs (billing per 100ms for AWS lambda). And of course the absence of server management (installations, patches,...). This article makes an inventory of the cold and warm start call metrics with AWS Lambda with different code implementations. Serverless is an ambiguous term that implies that there are no more servers: this is not the case! The term adapted could have been server[management]less but…

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