Numerous developers come across confusion when discussing HLD and LLD. Essentially, a High-Level Design provides a overall look of the system , outlining its major parts and their interactions - it’s like a map . Conversely, a Low-Level Design dives deep into the specifics. It details *how* each

When developing software , it's essential to appreciate the separate roles of high-level design and LLD . High-level design provides a overall perspective of the application , describing the major components and their relationships excluding granular execution specifics. Conversely , Detailed des

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