Django's async support has matured, but many projects still rely on the classic synchronous request handling. From a performance standpoint, async views can free up workers during I/O‑bound operations, yet they introduce complexity, potential race conditions, and require careful third‑party library compatibility. On the other hand, staying synchronous keeps the codebase simpler and aligns with the majority of existing tutorials and extensions. I'm curious how you balance these trade‑offs in real‑world applications. Do you prefer to default to async for new endpoints, keep sync as the safe default, or choose per‑case? What pitfalls should we watch out for when mixing both?
Should Django projects adopt async views by default, or stick to sync for now?
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I usually treat async like the “non‑blocking I/O” model in Node.js—great for heavy DB or external‑API calls, but only when every middleware and library you use is async‑ready; otherwise I stick to the classic sync flow to avoid subtle race conditions. In practice I start new endpoints as sync, switch to async on a case‑by‑case basis, and keep an eye on third‑party compatibility and proper request‑context handling when mixing the two.