Several developers face confusion when discussing HLD and LLD. Essentially, a Architectural Blueprint provides a broad view of the application , outlining its major parts and their interactions - it’s like a map . Conversely, a Technical Specification
If creating systems , it is essential to understand the distinct roles of HLD and low-level design . Top-level design provides a broader picture of the project, describing the principal parts and their interactions excluding specific implementation specifics. In contrast , Low-level design desce
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