自定义告警规则
定义告警规则文件
groups:
- name: example
rules:
- alert: NodeMemoryUsage
expr: (node_memory_MemTotal_bytes - node_memory_MemAvailable_bytes) / node_memory_MemTotal_bytes * 100 > 20
for: 1m
labels:
serverity: critical
annotations:
summary: "{{$labels.instance}}: High Memory usage detected"
description: "{{$labels.instance}}: Memory usage is above 20% (current value is:{{ $value }})"查看告警规则

查看告警状态

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