Häufige Muster

Rate (Events pro Sekunde)

rate(http_requests_total[5m])

p95 latency

histogram_quantile(0.95, sum by (le) (rate(http_request_duration_seconds_bucket[5m])))

Top-3 Hosts nach CPU

topk(3, system_cpu_usage_percent)

Error Rate

sum(rate(http_requests_total{status=~"5.."}[5m])) / sum(rate(http_requests_total[5m]))

Verfügbarkeit über einen Zeitraum

avg_over_time(up[1h])