When building systems , there's essential to appreciate the read more distinct roles of high-level design and detailed design. High-level design provides a broader view of the system , describing the major parts and their interactions excluding detailed execution specifics. On the other hand, LLD go

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 the product can tolerate. A pr