When creating applications, it is vital to appreciate the distinct roles of high-level design and LLD . HLD provides a broader picture of the system , illustrating the principal parts and their connections without detailed implementation specifics. Conversely , Detailed design goes into the techn

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