Will WebAssembly Replace Java in Serverless Environments?

Serverless platforms like AWS Lambda and Google Cloud Run have transformed how developers deploy applications by eliminating server management. Two technologies stand out in this space: WebAssembly (Wasm) and Java (JVM). While Wasm offers impressive cold start performance, Java’s mature ecosystem keeps it dominant for many workloads. Let’s explore whether Wasm can truly replace Java in serverless computing. 1. Cold Start Performance: …

May 7, 2025 - 07:03
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Will WebAssembly Replace Java in Serverless Environments?
Serverless platforms like AWS Lambda and Google Cloud Run have transformed how developers deploy applications by eliminating server management. Two technologies stand out in this space: WebAssembly (Wasm) and Java (JVM). While Wasm offers impressive cold start performance, Java’s mature ecosystem keeps it dominant for many workloads. Let’s explore whether Wasm can truly replace Java in serverless computing. 1. Cold Start Performance: …