If creating applications, it's necessary to comprehend the distinct roles of high-level design and LLD . HLD provides a overall perspective of the project, illustrating the core parts and their

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