If creating applications, it is necessary to appreciate the contrasting roles of top-level design and LLD . HLD provides a broader perspective of the application , describing the major parts and their connections excluding detailed implementation specifics. On the other hand, Detailed design des

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