System-design

A CDN (Content Delivery Network) is a global network of servers that speeds up content delivery by serving it from the location closest to the user. Learn how CDNs work and why they're essential for fast, secure websites.

Learn the key differences between origin and edge servers. Discover how they work together in a CDN to boost website speed, reduce latency, and improve user experience globally.

Learn the key differences between Push and Pull CDNs, their pros and cons, use cases, and how to choose the right type of CDN to optimize content delivery, reduce latency, and enhance website performance.

In distributed systems or multi-core processors, cache coherence and consistency models play a critical role in maintaining a unified and reliable view of data. Learn the difference between coherence and consistency, their implementation strategies, and how to pick the right model for your system.

Understanding and monitoring cache performance is essential to ensure your caching strategy is actually boosting system efficiency. In this post, we break down the most important cache metrics—hit rate, miss rate, cache size, and latency—to help you optimize performance.