When developing systems , there's essential to appreciate the contrasting roles of high-level design and low-level design . High-level design provides a broader picture of the project, outlining the major components and their connections excluding granular implementation specifics. Conversely , L

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