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Lightning Talk: WasmPulse: Quantifying Wasm Sustainability With WASI Preview 2...

Lightningat WasmCon Europe 2026 · on Monday, 2026-03-23· [webassembly, web-performance]
links:none on file
slides:none on file

WasmPulse is an open-source agent that detects Wasm runtimes by PID, exports CPU and memory as Prometheus metrics, and ships a Grafana dashboard — deployed via Docker Compose during the demo (minor demo hiccup but metrics appear). Measurements use WASI Preview 2 builds and a black-box OS approach so numbers include runtime plus guest. Paper results show an cAdvisor for WebAssembly use case with concrete wins: ~80% smaller Go web server artifacts and ~98% faster startup versus containers, plus detailed latency, throughput and resource trade-offs.

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