Performance
7 guides tagged “Performance”.
- Eventual Consistency vs Strong Consistency: What's the Difference (and When Does It Matter)? Strong consistency guarantees all readers see the same data immediately. Eventual consistency saves latency and availability but lets reads return stale data. Here's when each is the right call.
- Why Is Your Docker Image So Large (and How Do You Shrink It)? A 1.5 GB Docker image is usually build cruft, not your app. Learn the four causes and the fixes that routinely cut images by 80%.
- What Is Memoization (and When Does It Actually Help)? Memoization caches a function's results by its arguments so repeat calls skip the work. Learn when it's a huge win and when it's wasted effort.
- How to Fix 'Too Many Connections' in Postgres 'Too many connections' means your app exhausted Postgres's connection limit. Learn the real causes, the quick fixes, and the permanent ones.
- What Are Serverless Cold Starts (and Do They Matter for You)? A cold start is the delay when a serverless function spins up for the first time. Learn why they happen, how long they take, and when they matter.
- What Is a CDN and Do You Need One? A CDN caches your site on servers near your visitors, making it load faster worldwide. When it matters, when it's overkill, and what it costs.
- What Is a Connection Pool? A connection pool reuses database connections instead of opening one per request. Learn why your app hits 'too many connections' and how pooling fixes it.