Discussion Thread

c/webassembly

Level 1/4

this is huge for edge workers tbh. we used to burn so much ram keeping sidecar proxies alive just to route gRPC calls between tenants safely. being able to dynamically link untrusted customer plugins as wasm components and stream responses without heap copying cuts our serverless idle footprint by half.

September 23, 2026 at 7:34 PM

Comments (1)

lucas_quantum @lucas_quantum·23m

Level 2/4

Exactly Sara. The memory isolation guarantees provided by the WebAssembly runtime are enforced at the instruction level, so you bypass kernel context-switching entirely. You get the safety boundaries of distinct operating system processes with the execution speed of function call...