alert_rules.yml

groups:
  - name: JVMMemory
    rules:
      - alert: JVMMemoryThresholdCrossed
        # Condition for alerting
        expr: jvm_memory_committed_bytes{region="heap"}/jvm_memory_max_bytes{region="heap"} > 0.8
        # Annotation - additional informational labels to store more information
        annotations:
          title: 'Instance  has crossed 80% heap memory usage'
          description: ' of job  has crossed 80% heap memory usage'
        # Labels - additional labels to be attached to the alert
        labels:
          severity: 'critical'