{"id": "a-0001", "ts": "2026-06-12T09:42:01Z", "service": "payment-svc", "metric": "db_connection_pool_used_ratio", "severity": "warn",  "value": 0.85, "threshold": 0.80, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0002", "ts": "2026-06-12T09:42:18Z", "service": "payment-svc", "metric": "db_connection_pool_used_ratio", "severity": "crit",  "value": 0.99, "threshold": 0.95, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0003", "ts": "2026-06-12T09:42:22Z", "service": "payment-svc", "metric": "latency_p99_ms",                "severity": "crit",  "value": 1840, "threshold": 800,  "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0004", "ts": "2026-06-12T09:42:30Z", "service": "payment-svc", "metric": "error_rate",                    "severity": "warn",  "value": 0.04, "threshold": 0.02, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0005", "ts": "2026-06-12T09:42:45Z", "service": "checkout-svc","metric": "latency_p99_ms",                "severity": "warn",  "value": 2100, "threshold": 1500, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0006", "ts": "2026-06-12T09:43:01Z", "service": "checkout-svc","metric": "downstream_payment_error_rate", "severity": "crit",  "value": 0.06, "threshold": 0.03, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0007", "ts": "2026-06-12T09:43:15Z", "service": "edge-lb",     "metric": "upstream_5xx_rate",             "severity": "warn",  "value": 0.025,"threshold": 0.02, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0008", "ts": "2026-06-12T09:43:18Z", "service": "payment-svc", "metric": "latency_p99_ms",                "severity": "crit",  "value": 1840, "threshold": 800,  "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0009", "ts": "2026-06-12T09:43:32Z", "service": "cart-svc",    "metric": "latency_p99_ms",                "severity": "warn",  "value": 920,  "threshold": 700,  "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0010", "ts": "2026-06-12T09:43:50Z", "service": "notification-svc","metric": "queue_lag_ms",              "severity": "warn",  "value": 4200, "threshold": 3000, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0011", "ts": "2026-06-12T09:44:02Z", "service": "payment-svc", "metric": "db_connection_pool_used_ratio", "severity": "crit",  "value": 1.00, "threshold": 0.95, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0012", "ts": "2026-06-12T09:44:30Z", "service": "checkout-svc","metric": "request_drop_rate",             "severity": "crit",  "value": 0.12, "threshold": 0.05, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0013", "ts": "2026-06-12T09:45:10Z", "service": "recommender-svc","metric": "cpu_utilization",            "severity": "warn",  "value": 0.91, "threshold": 0.85, "labels": {"env": "prod", "region": "ap-southeast-1", "note": "unrelated — concurrent batch retrain"}}
{"id": "a-0014", "ts": "2026-06-12T09:45:42Z", "service": "edge-lb",     "metric": "p99_latency_ms",                "severity": "crit",  "value": 3500, "threshold": 2000, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0015", "ts": "2026-06-12T09:46:01Z", "service": "payment-svc", "metric": "latency_p99_ms",                "severity": "crit",  "value": 1840, "threshold": 800,  "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0016", "ts": "2026-06-12T09:46:50Z", "service": "search-svc",  "metric": "catalog_db_query_time_ms",      "severity": "warn",  "value": 850,  "threshold": 600,  "labels": {"env": "prod", "region": "ap-southeast-1", "note": "noise — independent slow query"}}
{"id": "a-0017", "ts": "2026-06-12T09:47:12Z", "service": "checkout-svc","metric": "latency_p99_ms",                "severity": "crit",  "value": 4200, "threshold": 1500, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0018", "ts": "2026-06-12T09:48:01Z", "service": "payment-svc", "metric": "error_rate",                    "severity": "crit",  "value": 0.18, "threshold": 0.05, "labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0019", "ts": "2026-06-12T09:48:25Z", "service": "notification-svc","metric": "queue_depth",               "severity": "crit",  "value": 88000,"threshold": 50000,"labels": {"env": "prod", "region": "ap-southeast-1"}}
{"id": "a-0020", "ts": "2026-06-12T09:48:30Z", "service": "edge-lb",     "metric": "upstream_5xx_rate",             "severity": "crit",  "value": 0.09, "threshold": 0.05, "labels": {"env": "prod", "region": "ap-southeast-1"}}