File size: 13,143 Bytes
95d8c91 fde25b3 95d8c91 5176a1c 95d8c91 5176a1c fde25b3 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c fde25b3 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c 95d8c91 5176a1c fde25b3 5176a1c fde25b3 5176a1c fde25b3 95d8c91 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 | """
Incident scenarios for the demo - EXPANDED VERSION WITH REALISM UPGRADES
Version: 3.3.9+realism
"""
INCIDENT_SCENARIOS = {
"Cache Miss Storm": {
"description": "Redis cluster experiencing 80% cache miss rate causing database overload",
"severity": "CRITICAL",
"component": "redis_cache",
"metrics": {
"cache_hit_rate": 18.5,
"database_load": 92,
"response_time_ms": 1850,
"affected_users": 45000,
"eviction_rate_per_sec": 125
},
"business_impact": {
"revenue_loss_per_hour": 8500,
"sla_violation": True,
"customer_sat_change": -40,
"affected_services": ["API Gateway", "User Service", "Payment"]
},
"roi_data": {
"hourly_revenue_loss": 8500,
"manual_recovery_hours": 1.0,
"enterprise_recovery_hours": 0.2,
"engineers_required": 4,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 2,
"enterprise_savings_percentage": 0.85
},
# ============ REALISM UPGRADES ============
"realism": {
"ranked_actions": [
{
"rank": 1,
"confidence": 87,
"action": "Scale Redis cluster from 3 to 5 nodes",
"rationale": "Immediate throughput increase, reduces contention",
"risk": "Cold cache amplification: Medium",
"tradeoff": "Adds $420/month infrastructure cost",
"execution_time": "8-12 minutes",
"success_rate": "94% based on 18 similar incidents"
},
{
"rank": 2,
"confidence": 62,
"action": "Implement request coalescing with 500ms window",
"rationale": "Reduces duplicate DB queries, lower blast radius",
"risk": "Adds 150-200ms latency per request",
"tradeoff": "Slower stabilization (15-20 minutes)",
"rejection_note": "Secondary option if scaling unavailable"
},
{
"rank": 3,
"confidence": 34,
"action": "Restart Redis cluster with warmup script",
"rationale": "Clears fragmentation, resets eviction policies",
"risk": "HIGH: 45-second service interruption",
"rejection_reason": "Rejected: High data loss risk during peak traffic",
"safety_override": "Required for Enterprise execution"
}
],
"risk_assessment": {
"stampede_probability": "18%",
"cold_cache_impact": "Medium",
"data_inconsistency_risk": "Low",
"recovery_complexity": "Medium"
},
"constraints": {
"max_redis_nodes": 8,
"scaling_cooldown": "30 minutes",
"concurrent_connections": "25,000",
"data_size_gb": 42
},
"confidence_degradation": {
"initial": 94,
"after_8_min": 71,
"after_15_min": 52,
"escalation_threshold": 60
}
}
},
"Database Connection Pool Exhaustion": {
"description": "PostgreSQL connection pool exhausted causing API timeouts",
"severity": "HIGH",
"component": "postgresql_database",
"metrics": {
"active_connections": 98,
"max_connections": 100,
"api_latency_ms": 2450,
"error_rate": 15.2,
"queue_depth": 1250,
"connection_wait_seconds": 45
},
"business_impact": {
"revenue_loss_per_hour": 4200,
"affected_services": ["API Gateway", "User Service", "Payment Service"],
"sla_violation": True,
"partner_api_impact": 3
},
"roi_data": {
"hourly_revenue_loss": 4200,
"manual_recovery_hours": 0.75,
"enterprise_recovery_hours": 0.13,
"engineers_required": 2,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 3,
"enterprise_savings_percentage": 0.82
},
# ============ REALISM UPGRADES ============
"realism": {
"ranked_actions": [
{
"rank": 1,
"confidence": 82,
"action": "Increase max_connections from 100 to 115 (+15%)",
"rationale": "Immediate relief, within safe operating limits",
"risk": "Disk I/O contention: Medium",
"constraint": "DB max_connections: 82% utilized (pre)",
"monitoring": "Monitor connection churn for 30 minutes"
},
{
"rank": 2,
"confidence": 58,
"action": "Enable statement timeout (5s) + connection recycling",
"rationale": "Prevents runaway queries, faster pool turnover",
"risk": "Query cancellation may cause application errors",
"tradeoff": "Adds development/testing overhead"
},
{
"rank": 3,
"confidence": 29,
"action": "Switch to pgbouncer in transaction pooling mode",
"rationale": "10x connection multiplexing possible",
"risk": "HIGH: Requires application changes, 2-hour migration",
"rejection_reason": "Rejected: Too invasive for incident response"
}
],
"constraint_awareness": {
"disk_io_headroom": "Low",
"memory_available_gb": 8.2,
"pool_increase_cap": "+15%",
"monitoring_gap": "Connection churn not tracked"
}
}
},
"Kubernetes Memory Leak": {
"description": "Java microservice memory leak causing pod restarts",
"severity": "HIGH",
"component": "java_payment_service",
"metrics": {
"memory_usage": 96,
"gc_pause_time_ms": 4500,
"error_rate": 28.5,
"restart_frequency_per_hour": 12,
"heap_fragmentation": 42
},
"business_impact": {
"revenue_loss_per_hour": 5500,
"session_loss": 8500,
"payment_failures_percentage": 3.2,
"support_tickets_increase": 300
},
"roi_data": {
"hourly_revenue_loss": 5500,
"manual_recovery_hours": 1.5,
"enterprise_recovery_hours": 0.25,
"engineers_required": 3,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 1,
"enterprise_savings_percentage": 0.79
},
# ============ REALISM UPGRADES ============
"realism": {
"ranked_actions": [
{
"rank": 1,
"confidence": 76,
"action": "Canary restart (1/4 pods) with heap dump analysis",
"rationale": "Minimizes blast radius, enables root cause capture",
"risk": "Cold-start latency: +2.3s per pod",
"blast_radius_economics": {
"canary_restart_cost": "$850",
"full_restart_cost": "$3,400",
"payment_retry_risk": "Medium",
"safer_order": "Canary → scale → rollout"
}
},
{
"rank": 2,
"confidence": 63,
"action": "Increase heap from 2GB to 3GB with monitoring",
"rationale": "Buy time for analysis, reduces restart frequency",
"risk": "Delays root cause identification",
"tradeoff": "Temporary fix, adds memory cost"
}
]
}
},
"Network Partition": {
"description": "Network partition causing split-brain in distributed database",
"severity": "CRITICAL",
"component": "distributed_database",
"metrics": {
"partition_detected": True,
"write_conflicts": 1250,
"data_inconsistency_percentage": 8.5,
"replication_lag_seconds": 45,
"quorum_lost": True
},
"business_impact": {
"revenue_loss_per_hour": 12000,
"data_corruption_risk": True,
"recovery_complexity": "HIGH",
"compliance_violation": True
},
"roi_data": {
"hourly_revenue_loss": 12000,
"manual_recovery_hours": 2.0,
"enterprise_recovery_hours": 0.3,
"engineers_required": 5,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 0.5,
"enterprise_savings_percentage": 0.88
},
# ============ REALISM UPGRADES ============
"realism": {
"competing_hypotheses": [
{
"cause": "Network partition (control plane)",
"confidence": 61,
"evidence": "Quorum lost, replication lag > 30s",
"investigation_path": "Check network mesh, BGP status"
},
{
"cause": "Control plane overload",
"confidence": 24,
"evidence": "High CPU on orchestration nodes",
"investigation_path": "Scale control plane, check etcd health"
},
{
"cause": "Downstream timeout amplification",
"confidence": 15,
"evidence": "Cascading failures in 3 dependent services",
"investigation_path": "Implement circuit breakers"
}
]
}
},
"API Rate Limit Storm": {
"description": "Third-party API rate limiting causing cascading failures",
"severity": "MEDIUM",
"component": "external_api_gateway",
"metrics": {
"rate_limit_hits_percentage": 95,
"error_rate": 42.8,
"retry_storm": True,
"cascade_effect_services": 3,
"queue_backlog": 8500
},
"business_impact": {
"revenue_loss_per_hour": 3800,
"partner_sla_breach": True,
"data_sync_delay_hours": 4,
"customer_reports_delay_hours": 6
},
"roi_data": {
"hourly_revenue_loss": 3800,
"manual_recovery_hours": 1.25,
"enterprise_recovery_hours": 0.17,
"engineers_required": 3,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 4,
"enterprise_savings_percentage": 0.85
},
# ============ REALISM UPGRADES ============
"realism": {
"contract_aware_reasoning": {
"burst_limit": "1.2× allowed",
"penalty_window": "15 minutes",
"degradation_mode": "Non-premium users only",
"contractual_limits": {
"requests_per_second": 100,
"monthly_overage_fee": "$0.15/request",
"suspension_threshold": "3 violations/month"
}
}
}
},
"Storage I/O Saturation": {
"description": "Storage system I/O saturation causing application timeouts",
"severity": "HIGH",
"component": "storage_cluster",
"metrics": {
"io_utilization": 98,
"latency_ms": 450,
"throughput_mbps": 1250,
"queue_depth": 850,
"error_rate": 8.5
},
"business_impact": {
"revenue_loss_per_hour": 6800,
"data_processing_delay_hours": 3,
"analytics_backlog": True,
"reporting_failure": True
},
"roi_data": {
"hourly_revenue_loss": 6800,
"manual_recovery_hours": 1.75,
"enterprise_recovery_hours": 0.22,
"engineers_required": 3,
"engineer_hourly_rate": 150,
"estimated_monthly_occurrences": 1.5,
"enterprise_savings_percentage": 0.83
},
# ============ REALISM UPGRADES ============
"realism": {
"irreversibility_warnings": {
"rebalance_duration": "18-25 minutes",
"write_amplification_risk": "High",
"requires_explicit_approval": True,
"approval_level": "Director+",
"rollback_complexity": "High (requires snapshot restore)"
}
}
}
} |