groups:

- name: RAM
  rules:
  - alert: LowRam_Less_15
    expr: ((node_memory_MemTotal_bytes - node_memory_MemFree_bytes - node_memory_Cached_bytes) / node_memory_MemTotal_bytes * 100) > 85
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: "{{$labels.instance}}: High memory usage detected"
      description: "{{$labels.instance}}: Memory usage is above 85% (current value is: {{ $value }})"

  - alert: LowRam_Less_5
    expr: ((node_memory_MemTotal_bytes - node_memory_MemFree_bytes - node_memory_Cached_bytes) / node_memory_MemTotal_bytes * 100) > 95
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: "{{$labels.instance}}: High memory usage detected"
      description: "{{$labels.instance}}: Memory usage is above 95% (current value is: {{ $value }})"