[
  {
    "event_id": "evt-001",
    "type": "system_error",
    "severity": 4,
    "source": "web-server-03",
    "tags": ["memory", "oom"],
    "message": "Out of memory on web-server-03"
  },
  {
    "event_id": "evt-002",
    "type": "deployment",
    "severity": 2,
    "source": "prod-pipeline",
    "tags": ["release", "v2.5.0"],
    "message": "Deployment of v2.5.0 to production started"
  },
  {
    "event_id": "evt-003",
    "type": "security_alert",
    "severity": 4,
    "source": "ids-sensor",
    "tags": ["intrusion", "ssh"],
    "message": "Multiple failed SSH attempts detected from suspicious IP"
  },
  {
    "event_id": "evt-004",
    "type": "heartbeat",
    "severity": 1,
    "source": "monitoring-agent",
    "tags": ["health"],
    "message": "All systems nominal"
  },
  {
    "event_id": "evt-005",
    "type": "db_event",
    "severity": 3,
    "source": "postgres-primary",
    "tags": ["replication", "lag"],
    "message": "Replication lag exceeded 30 seconds"
  },
  {
    "event_id": "evt-006",
    "type": "api_event",
    "severity": 2,
    "source": "api-gateway",
    "tags": ["rate_limit", "customer_xyz"],
    "message": "Rate limit exceeded for customer XYZ"
  },
  {
    "event_id": "evt-007",
    "type": "system_error",
    "severity": 2,
    "source": "batch-processor",
    "tags": ["timeout"],
    "message": "Batch job timed out after 300s"
  },
  {
    "event_id": "evt-008",
    "type": "deployment",
    "severity": 2,
    "source": "staging-pipeline",
    "tags": ["release", "v2.6.0-rc1"],
    "message": "Deployment of v2.6.0-rc1 to staging"
  },
  {
    "event_id": "evt-009",
    "type": "security_alert",
    "severity": 2,
    "source": "waf",
    "tags": ["sql_injection", "blocked"],
    "message": "SQL injection attempt blocked by WAF"
  },
  {
    "event_id": "evt-010",
    "type": "db_event",
    "severity": 2,
    "source": "postgres-replica-02",
    "tags": ["slow_query"],
    "message": "Slow query detected: 15s execution time"
  },
  {
    "event_id": "evt-011",
    "type": "user_event",
    "severity": 1,
    "source": "auth-service",
    "tags": ["login", "success"],
    "message": "User admin logged in successfully"
  },
  {
    "event_id": "evt-012",
    "type": "system_error",
    "severity": 3,
    "source": "load-balancer",
    "tags": ["connection_pool", "exhausted"],
    "message": "Connection pool exhausted on load balancer"
  }
]
