# File-Based Vehicle Lookup API

Total vehicles: 5550556  
Indexed plates: 5056699
Storage: Binary segments
Memory usage: ~329MB

## Endpoints
- GET /vehicle/{plate} - Look up vehicle (loads from disk)
- GET /stats - Database statistics  
- GET /health - Health check
- GET /cache - Cache statistics

## Performance
- Startup time: <1 second
- Memory usage: <329MB 
- Cold lookup: 1-3ms (disk read)
- Hot lookup: <0.1ms (cached)