If developing applications, there's essential to understand the separate roles of high-level design and low-level design . HLD provides a overall perspective of the system , illustrating the core modules and their relationships without granular implementation specifics. On the other hand, Detail

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