If creating systems , it is necessary to understand the separate roles of high-level design and LLD . Top-level design provides a overall view of the system , describing the major parts and their interactions excluding detailed execution specifics. Conversely , Low-level design descends into the… Read More

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… Read More