Availability — Five 9s

System Design Fundamentalssystem-design

The Question

What does 'five 9s' availability mean and how do you achieve it?

What a Strong Answer Covers

• At least two tiers with numbers.

Related Questions

• Redis Caching Patterns
• Vertical vs Horizontal Scaling
• API Versioning
• SLOs vs SLAs
• Latency vs Throughput