System design primer

Use a repeatable loop in every system design interview:

  1. Clarify functional & non-functional requirements.
  2. Estimate scale (QPS, storage, bandwidth).
  3. Propose a high-level diagram (clients, API, services, data stores).
  4. Deep-dive 1–2 components (sharding, caching, queues).
  5. Discuss failure modes, consistency, and cost trade-offs.

Full interactive design drills are planned for a later AlgoForge release. For now, pair this primer with strong DSA via Blind 75 and company tracks.