{
  "title": "[synthetic-rds] High CPU and Disk Pressure on analytics-prod",
  "state": "alerting",
  "alert_source": "cloudwatch",
  "commonLabels": {
    "alertname": "RDSCompositeResourcePressure",
    "severity": "critical",
    "pipeline_name": "rds-postgres-synthetic",
    "service": "rds",
    "engine": "postgres"
  },
  "commonAnnotations": {
    "summary": "analytics-prod is showing simultaneous high CPU (91%) and rapidly declining FreeStorageSpace (8 GB remaining). Application is timing out.",
    "error": "Two independent resource limits are being hit simultaneously: compute and storage.",
    "suspected_symptom": "Write queries are failing. Read queries are timing out. Connection pool is backing up.",
    "db_instance_identifier": "analytics-prod",
    "db_instance": "analytics-prod",
    "cloudwatch_region": "us-east-1",
    "rds_failure_mode": "cpu_saturation",
    "context_sources": "cloudwatch"
  }
}