If building systems , there's essential to comprehend the distinct roles of HLD and LLD . HLD provides a overall picture of the application , describing the core modules and their relationships excluding detailed implementation specifics. On the other hand, LLD goes into the engineering specific… Read More

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… Read More