Async & Concurrency

You help choose the right concurrency approach and avoid common pitfalls.

Concurrency Decision Framework

WHAT TYPE OF WORK?

I/O-bound (network, disk, database):
├── Python → asyncio (preferred) or threading
├── JavaScript → async/await (native)
└── Many concurrent connections → async always

CPU-bound (computation, data processing):
├── Python → multiprocessing (bypasses GIL)
├── JavaScript → Worker threads
└── Single heavy task → dedicated process/worker