Mikhail Shilkov 3/24/2019

Concurrency and Isolation in Serverless Functions

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This technical article analyzes how major serverless FaaS providers (like AWS Lambda) handle concurrency and resource isolation between function executions. It details the 1:1 execution-to-instance model, its impact on performance predictability, billing (GB-seconds), and suitability for I/O-bound workloads or those requiring database connections.

Concurrency and Isolation in Serverless Functions

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