{
  "title": "[synthetic-rds] Replication Lag On payments-prod",
  "state": "alerting",
  "alert_source": "cloudwatch",
  "commonLabels": {
    "alertname": "RDSReplicationLagHigh",
    "severity": "critical",
    "pipeline_name": "rds-postgres-synthetic",
    "service": "rds",
    "engine": "postgres"
  },
  "commonAnnotations": {
    "summary": "Read replica lag exceeded 900 seconds on payments-prod-replica-1 while primary write throughput remained elevated.",
    "error": "Replica lag breached alert threshold for 15 minutes.",
    "suspected_symptom": "Replica-backed reads are stale and analytics queries are delayed.",
    "db_instance_identifier": "payments-prod",
    "db_instance": "payments-prod",
    "db_cluster": "payments-cluster",
    "read_replica": "payments-prod-replica-1",
    "cloudwatch_region": "us-east-1",
    "rds_failure_mode": "replication_lag",
    "context_sources": "cloudwatch"
  }
}