TOP-LEVEL DESIGN VS. LLD : UNDERSTANDING THE IMPORTANT DISTINCTIONS

When developing applications, it's necessary to understand the distinct roles of high-level design and LLD . HLD provides a overall view of the system , illustrating the core components and their relationships without specific implementation specifics. Conversely , LLD descends into the practical

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