# Category 8: Performance & Quality

> **Usage:** Non-functional performance requirements
> **When to load:** If feature is performance-critical or reporting

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## 8.1 Performance

| # | Question | Answer Type |
|---|----------|-------------|
| Q8.1 | Acceptable response time? | Milliseconds |
| Q8.2 | Number of concurrent users? | Estimation |
| Q8.3 | Expected load peaks? | When + volume |
| Q8.4 | Required availability? (SLA) | Percentage |

## 8.2 Quality

| # | Question | Answer Type |
|---|----------|-------------|
| Q8.5 | Acceptable error rate? | Percentage |
| Q8.6 | Specific tests required? | Types |
| Q8.7 | Available test environments? | List |
| Q8.8 | Overall acceptance criteria? | List |

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## SmartStack Thresholds

| Metric | Acceptable Threshold |
|--------|---------------------|
| API response time | < 200ms (P95) |
| Page load | < 2s |
| Concurrent users | Per license |
| Uptime | 99.5% |
