HLD VS. LOW-LEVEL DESIGN : UNDERSTANDING THE IMPORTANT DIFFERENCES

If developing systems , it's necessary to understand the distinct roles of top-level design and low-level design . High-level design provides a larger perspective of the project, describing the core parts and their interactions omitting specific implementation specifics. In contrast , LLD goes i

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