Технические метрики (значения как пример)
Latency
- Брокер → Data Receiver: <0.1ms (P99)
- Data Receiver → Redis: <0.2ms (P99)
- Redis → API Services: <0.3ms (P99)
- API Services → Client: <0.4ms (P99)
Resource utilization
- Redis Memory Usage: <75% per replica
- CPU Utilization: <70% P95 по всем сервисам
- Network I/O: <90% of interface capacity
Продуктовые метрики
- Client Session Duration: среднее >4 часа
- Client Churn Rate
Service Level Indicators (SLIs) & Objectives (SLOs)
| Service | SLI | SLO | Error Budget |
|---|---|---|---|
| Quote Delivery | Availability | 99.99% | 4.3 min/month |
| API Response | Latency P99 | <5ms | 5% requests |
| Data Accuracy | Error Rate | <0.001% | 10 errors/million |
| Connection Success | Success Rate | >99.9% | 0.1% failure rate |
А также не забываем про Chaos Engineering