scale-gamelisted

# Scale Game ## Overview Test your approach at extreme scales to find what breaks and what surprisingly survives. **Core principle:** Extremes expose fundamental truths hidden at normal scales. ## Quick Reference | Scale Dimension | Test At Extremes | What It Reveals | |-----------------|------------------|-----------------| | Volume | 1 item vs 1B items | Algorithmic complexity limits, index needs | | Speed | Instant vs year-long | Async requirements, caching needs, timeouts | | Users | 1 user vs 1B users | Concurrency issues, resource limits, auth bottlenecks | | Duration | Milliseconds vs years | Memory leaks, state growth, data rot | | Failure rate | Never fails vs always fails | Error handling adequacy, retry logic | | Data size | 1 byte vs 1TB | Storage strategy, streaming vs buffering | ## Process 1. **Pick dimension** — What could vary extremely? 2. **Test minimum** — What if this was 1000x smaller/faster/fewer? 3. **Test maximum** — What if this was 1000x bigger/slower/more? 4. **Note what breaks** — Where do limits appear? 5. **Note what survives** — What's fundamentally sound? ## Examples ### Example 1: Error Handling **Normal scale:** "Handle errors when they occur" works fine **At 1B scale:** Error volume overwhelms logging, crashes system **Reveals:** Need to make errors impossible (type systems, contracts) or expect them (chaos engineering, circuit breakers) ### Example 2: Synchronous APIs **Normal scale:** Direct function calls work **At global scale