If building applications, there's vital to understand the separate roles of high-level design and low-level design . High-level design provides a larger picture of the application , describing the principal components and their connections without specific execution specifics. In contrast , Low-lev

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