When developing applications, it is vital to appreciate the contrasting roles of top-level design and LLD . High-level design provides a larger view of the system , describing the major components and their connections without specific execution specifics. On the other hand, Detailed design delves i

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 the product can tolerate. A pr