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6.7Alert Classification Matrix
| Signal | Page (wake someone up) | Ticket (fix this week) | Dashboard (awareness) |
|---|---|---|---|
| Error rate > 10x SLO burn rate | Yes | -- | -- |
| Error rate > 3x SLO burn rate | -- | Yes | Yes |
| Latency p99 > 2x SLO | Depends on duration | Yes | Yes |
| Single pod crash | No | No | Yes |
| Deployment failed | No (auto-rollback) | Yes | Yes |
| Certificate expiring in 7 days | No | Yes | -- |
| Disk 90% full | -- | Yes | Yes |
| Disk 98% full | Yes | -- | -- |