HIGH-LEVEL VS. LOW-LEVEL ARCHITECTURES : THE IMPORTANT DISTINCTION

When application architecture , it is necessary to comprehend a separation between a High-Level Architecture (HLD) and a Low-Level Architecture (LLD). A HLD provides a bird's-eye perspective of the complete application , outlining key components and those interactions . Conversely , the LLD dives

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