System Design Interviews

Concept map is drafted. Clips are being curated.

The learning path below is fixed by L3; trusted-creator clips are being selected for each node. Know a great video for this? Suggest it.

1. 01The answer framework. Requirements → estimates → high-level design → deep dives. Structure beats trivia.
2. 02Scaling reads and writes. Caching, replication, sharding — and what each one costs you.
3. 03Consistency trade-offs. CAP in practice: when eventual consistency is fine and when it never is.