If developing applications, it's necessary to understand the distinct roles of high-level design and LLD . High-level design provides a larger perspective of the application , illustrating the core parts and their interactions excluding granular implementation specifics. On the other hand, Detailed

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 the product can tolerate. A pr