Use custom Prometheus rules
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Custom Prometheus rules can be defined for the Prometheus Operator by using the prometheusRule parameter. A basic configuration example is shown below:
metrics:
enabled: true
prometheusRule:
enabled: true
rules:
- name: rule1
rules:
- alert: HighRequestLatency
expr: job:request_latency_seconds:mean5m{job="myjob"} > 0.5
for: 10m
labels:
severity: page
annotations:
summary: High request latency