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Edge Function Cold Start Latency Under WASM Workloads : Deploy Atomicity and Instant Rollback at the Edge

RustWasmtimeCloudflare Workerswasm-bindgen

Problem Breakdown

The reliability defect is deploy non-atomicity: edge deploys propagate across POPs asynchronously, so for a propagation window users receive a mix of old and new code and data depending on which instance serves them. Edge functions compiling to WASM carry 10-40MB modules; cold starts pay module compilation and heap ini…

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