Tag: system-design

All the articles with the tag "system-design".

• System Design CDN: Serving Content Fast Globally

  Published:May 6, 2026 |  at 09:00 AM

  (6 min read)

  CDN is geographically distributed caching. Here's the complete mental model — what goes on a CDN, TTL decisions, cache invalidation, and real-world architecture.

• System Design Message Queues: Decoupling Services at Scale

  Published:May 6, 2026 |  at 08:45 AM

  (6 min read)

  Message queues are why large systems don't collapse under their own weight. Here's the complete mental model — decoupling, Kafka vs RabbitMQ, and when to use each.

• System Design Databases: SQL vs NoSQL

  Published:May 6, 2026 |  at 08:30 AM

  (6 min read)

  SQL vs NoSQL is not about preference. It's about access patterns. Here's the framework for choosing the right database every time.