Concerning developing software , it's vital to comprehend the contrasting roles of HLD and LLD . Top-level design provides a broader perspective of the system , describing the major components and their relationships without specific implementation specifics. On the other hand, Low-level design

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