When creating systems , it's necessary to appreciate the distinct roles of top-level design and detailed design. High-level design provides a broader view of the system , illustrating the principal parts and their interactions excluding specific implementation specifics. In contrast , Low-level d

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