Files
nix-config/hosts/idols-aquamarine/monitoring/alert_rules/loki-exporter.yaml
2025-09-12 11:50:17 +08:00

53 lines
2.0 KiB
YAML

groups:
- name: Loki Exporter
rules:
- alert: LokiProcessTooManyRestarts
expr: 'changes(process_start_time_seconds{job=~".*loki.*"}[15m]) > 2'
for: 0m
labels:
severity: warning
annotations:
summary: Loki process too many restarts (instance {{ $labels.instance }})
description:
"A loki process had too many restarts (target {{ $labels.instance }})\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: LokiRequestErrors
expr:
'100 * sum(rate(loki_request_duration_seconds_count{status_code=~"5.."}[1m])) by
(namespace, job, route) / sum(rate(loki_request_duration_seconds_count[1m])) by
(namespace, job, route) > 10'
for: 15m
labels:
severity: critical
annotations:
summary: Loki request errors (instance {{ $labels.instance }})
description:
"The {{ $labels.job }} and {{ $labels.route }} are experiencing errors\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: LokiRequestPanic
expr: "sum(increase(loki_panic_total[10m])) by (namespace, job) > 0"
for: 5m
labels:
severity: critical
annotations:
summary: Loki request panic (instance {{ $labels.instance }})
description:
"The {{ $labels.job }} is experiencing {{ printf \"%.2f\" $value }}% increase of
panics\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: LokiRequestLatency
expr:
'(histogram_quantile(0.99,
sum(rate(loki_request_duration_seconds_bucket{route!~"(?i).*tail.*"}[5m])) by (le))) > 1'
for: 5m
labels:
severity: critical
annotations:
summary: Loki request latency (instance {{ $labels.instance }})
description:
"The {{ $labels.job }} {{ $labels.route }} is experiencing {{ printf \"%.2f\" $value }}s
99th percentile latency\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"