Several developers come across confusion when discussing HLD and LLD. Essentially, a Architectural Blueprint provides a overall perspective of the application , outlining its major parts and their interactions - it’s like a outline. Conversely, a Detailed Design dives deep into the specifics. It
If creating applications, there's vital to understand the separate roles of HLD and detailed design. High-level design provides a larger picture of the application , illustrating the core parts and their connections excluding granular realization specifics. In contrast , LLD descends into the te
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