GoKawiilShow HN launches interactive atlas covering PostgreSQL, Redis and Memcached use cases
A Show HN submission presents an interactive atlas of system designs, breaking down technologies like PostgreSQL, Redis, and Memcached into their core features and the specific scenarios where each is the right choice. Each entry includes architecture diagrams and defines related concepts such as consistency, caching, and rate limiting. The project appears aimed at helping engineers quickly identify which data store fits a given technical requirement.
GoKawiil's interpretation of the reporting above, not reported fact.
Reference tools like this could help engineers and interview candidates quickly map problems to appropriate technologies without digging through scattered documentation. The format—pairing a technology with 'when to use' criteria and concept definitions—suggests it's designed as a study aid for system design interviews, though the creator's specific goals aren't stated. Its usefulness will likely depend on how many systems it eventually covers beyond the three shown.
- The atlas covers PostgreSQL, Redis, and Memcached with interactive architecture diagrams
- Each technology entry lists core features and specific 'when to use' scenarios
- It appears targeted at engineers preparing for system design discussions or interviews
Raspberry Pi 4 Model B — If you're diving into system design concepts like PostgreSQL and Redis, a Raspberry Pi is a fantastic hands-on way to actually build and test small distributed systems yourself. Spin up a database, run Redis, experiment with replication and caching, all on cheap dedicated hardware separate from your main machine. It's a great companion for turning architecture diagrams into real, tinkerable systems.
See Raspberry Pi 4 Model B on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: atlas-sysdes.vercel.app — Mert Kahyaoğlu, 2026-09-22
Published there as: “Show HN: An atlas of system designs with interactive architecture diagrams”
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