Tag: caching

All the articles with the tag "caching".

• System Design: URL Shortener

  Published:May 6, 2026 |  at 10:45 AM

  (8 min read)

  Designing a URL shortener end-to-end — scale estimation, slug generation, caching, database choices, and failure handling. First complete 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 Traffic and Cache: Load Balancers and Redis

  Published:May 6, 2026 |  at 08:15 AM

  (5 min read)

  Practical system design patterns for distributing traffic with load balancers and reducing database pressure with Redis caching.