When developing systems , it is vital to understand the contrasting roles of top-level design and low-level design . HLD provides a broader view of the system , illustrating the core parts and their relationships without detailed realization specifics. On the other hand, Low-level design goes int… Read More

Caching Strategies Start With One Question: How Stale Can This Data Be? Most caching answers jump straight to Redis. The stronger answer starts one step earlier. Caching is a deliberate trade of freshness for speed, so the first thing to establish is how much staleness t… Read More