{
  "_meta": {
    "scenario": "Synthetic e-commerce platform 'GeekShop'. 10 services + 2 backing stores. Map sang NAB metric streams + HDFS log slice của W1.",
    "schema_version": "1.0",
    "generated_for": "AIOps W2 group lab (Thu Jun 11 - Fri Jun 12, 2026)",
    "nab_mapping": "Mỗi service có 1 NAB stream gán cố định cho metric latency. CPU/memory derive bằng cách thêm noise + shift baseline."
  },
  "services": [
    {"name": "edge-lb",         "tier": "edge",     "team": "platform",   "owner_pager": "platform-oncall",  "criticality": "high",   "nab_stream": "realKnownCause/ec2_request_latency_system_failure.csv"},
    {"name": "auth-svc",        "tier": "api",      "team": "identity",   "owner_pager": "identity-oncall",  "criticality": "high",   "nab_stream": "realKnownCause/ambient_temperature_system_failure.csv"},
    {"name": "checkout-svc",    "tier": "api",      "team": "checkout",   "owner_pager": "checkout-oncall",  "criticality": "high",   "nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_5f5533.csv"},
    {"name": "payment-svc",     "tier": "api",      "team": "payments",   "owner_pager": "payments-oncall",  "criticality": "critical","nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_77c1ca.csv"},
    {"name": "cart-svc",        "tier": "api",      "team": "checkout",   "owner_pager": "checkout-oncall",  "criticality": "medium", "nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_825cc2.csv"},
    {"name": "catalog-svc",     "tier": "api",      "team": "catalog",    "owner_pager": "catalog-oncall",   "criticality": "medium", "nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_ac20cd.csv"},
    {"name": "recommender-svc", "tier": "ml",       "team": "ml-platform","owner_pager": "ml-oncall",        "criticality": "low",    "nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_c6585a.csv"},
    {"name": "inventory-svc",   "tier": "api",      "team": "inventory",  "owner_pager": "inventory-oncall", "criticality": "medium", "nab_stream": "realAWSCloudwatch/ec2_cpu_utilization_fe7f93.csv"},
    {"name": "notification-svc","tier": "api",      "team": "growth",     "owner_pager": "growth-oncall",    "criticality": "low",    "nab_stream": "realAWSCloudwatch/ec2_network_in_5abac7.csv"},
    {"name": "search-svc",      "tier": "api",      "team": "search",     "owner_pager": "search-oncall",    "criticality": "medium", "nab_stream": "realAWSCloudwatch/ec2_network_in_257a54.csv"}
  ],
  "stores": [
    {"name": "payments-db",     "type": "postgres", "team": "payments",   "criticality": "critical"},
    {"name": "catalog-db",      "type": "postgres", "team": "catalog",    "criticality": "high"},
    {"name": "cart-redis",      "type": "redis",    "team": "checkout",   "criticality": "high"},
    {"name": "kafka-events",    "type": "kafka",    "team": "platform",   "criticality": "high"}
  ],
  "edges": [
    {"from": "edge-lb",         "to": "auth-svc",         "type": "http"},
    {"from": "edge-lb",         "to": "catalog-svc",      "type": "http"},
    {"from": "edge-lb",         "to": "search-svc",       "type": "http"},
    {"from": "edge-lb",         "to": "checkout-svc",     "type": "http"},
    {"from": "checkout-svc",    "to": "cart-svc",         "type": "http"},
    {"from": "checkout-svc",    "to": "payment-svc",      "type": "http"},
    {"from": "checkout-svc",    "to": "inventory-svc",    "type": "http"},
    {"from": "checkout-svc",    "to": "notification-svc", "type": "kafka", "via": "kafka-events"},
    {"from": "cart-svc",        "to": "cart-redis",       "type": "redis"},
    {"from": "cart-svc",        "to": "catalog-svc",      "type": "http"},
    {"from": "payment-svc",     "to": "payments-db",      "type": "postgres"},
    {"from": "catalog-svc",     "to": "catalog-db",       "type": "postgres"},
    {"from": "catalog-svc",     "to": "recommender-svc",  "type": "http"},
    {"from": "recommender-svc", "to": "catalog-db",       "type": "postgres"},
    {"from": "search-svc",      "to": "catalog-db",       "type": "postgres"},
    {"from": "inventory-svc",   "to": "catalog-db",       "type": "postgres"},
    {"from": "notification-svc","to": "kafka-events",     "type": "kafka"}
  ],
  "topology_notes": [
    "edge-lb là entry point — alert tại edge-lb thường downstream propagation.",
    "payment-svc là critical path — degrade → revenue impact.",
    "catalog-db là single point của contention — 4 service phụ thuộc.",
    "recommender-svc và notification-svc low-criticality — alert ở đây không nên trigger pager nếu standalone.",
    "kafka-events là async layer — degrade tại đây latency dồn vào notification, không block checkout."
  ]
}