HLD VS. DETAILED DESIGN: GRASPING THE KEY DISTINCTIONS

When creating systems , there's vital to appreciate the distinct roles of HLD and LLD . HLD provides a larger picture of the project, outlining the major parts and their interactions excluding detailed execution specifics. On the other hand, Low-level design descends into the practical details ,

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