1. Lines and paths

System Design line

System Design

How real systems are built: the web, databases, scaling, distributed systems and the giants.

8 courses47 lessons open29 h in total

  1. Station 1How the Web WorksFollow one request from a phone to a server and back, design APIs that survive real networks, and put numbers on speed, load and reliability.Beginner6 lessons3 h6 episodes
  2. Station 2SQL & Data ModelingDesign PostgreSQL tables that keep every fact in one place, write the SQL behind real reports, make queries fast with the right indexes, and keep data correct under concurrent writes and live schema changes.Beginner6 lessons4 h6 episodes
  3. Station 3Databases at ScaleKeep a growing Postgres database fast, safe and recoverable with partitioning, replicas, sharding, backups, daily operations and the right extra data stores.Intermediate6 lessons3.5 h6 episodes
  4. Station 4Scaling Building BlocksLearn the building blocks that let an app grow from one server to millions of users: load balancers, caches, object storage and CDNs, queues, rate limits and real-time updates.Intermediate7 lessons4.5 h7 episodes
  5. Station 5Distributed SystemsLearn how to keep data correct and apps working when your system runs on many machines that can disagree, fail and lose touch with each other.Advanced5 lessons3 h5 episodes
  6. Station 6Running Software in ProductionLearn to see what your software is doing in production, keep it secure, and ship changes safely with a rollback that takes one command.Intermediate3 lessons2 h3 episodes
  7. Station 7System Design Case StudiesLearn to run a design review, then use it on three complete case studies at Mangrove Market: a URL shortener, offline sales sync from store tills, and ordering that never oversells.Advanced4 lessons2.5 h4 episodes
  8. Station 8Inside the Tech GiantsTake apart Google Search, Facebook, Instagram, WhatsApp, Uber, Amazon, Netflix, ChatGPT and Claude from public sources, rebuild the core idea of each at small scale, and learn which ideas to copy at your own size.Advanced10 lessons6.5 h10 episodes