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Edge Function Cold Start Latency Under WASM Workloads : Latency Budget Enforcement Across the Edge Path

RustWasmtimeCloudflare Workerswasm-bindgen

Problem Breakdown

The defect is unmanaged latency composition: each hop in the edge path (DNS, POP routing, function execution, cache lookup, origin fetch) consumes its own slice of the user's patience with no global budget. Edge functions compiling to WASM carry 10-40MB modules; cold starts pay module compilation and heap initializatio…

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