Fly V3 Script -

// Good: Parallel with concurrency limit await Fly.parallelMap(list, async (item) => return await process(item); , concurrency: 10 ); The Fly V3 engine retains a shared cache across script invocations. Use this to store API tokens or rate-limit counters.

// State persistence state consecutive_failures = 0 fly v3 script

async function handle(event) if (event.type === "TRANSACTION") return await processTx(event.data); // Good: Parallel with concurrency limit await Fly