TOP-LEVEL DESIGN VS. LLD : RECOGNIZING THE IMPORTANT DISTINCTIONS

When building systems , it is essential to comprehend the contrasting roles of top-level design and detailed design. Top-level design provides a broader picture of the system , describing the core components and their interactions omitting specific implementation specifics. Conversely , LLD goes

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