{ "lesson_id": "PLN-019", "evaluation_time": "2026-09-16T09:00:00Z", "cases": [ { "case_id": "baseline_memory_bottleneck", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 45, "peak_cpu_pct": 72, "peak_memory_pct": 92, "latency_p95_ms": 450, "latency_slo_ms": 300, "burst_interval_days": 3, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "MEMORY", "required_capacity_multiplier": 1.25, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": "src://capacity-baseline-v1", "execution_authorization": false, "scenarios": [ { "id": "NO_CHANGE", "expected_capacity_multiplier": 1.0, "expected_cost_multiplier": 1.0, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true }, { "id": "SCALE_OUT", "expected_capacity_multiplier": 1.15, "expected_cost_multiplier": 1.25, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true }, { "id": "SCALE_UP", "expected_capacity_multiplier": 1.4, "expected_cost_multiplier": 1.18, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "low_cpu_memory_saturation", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 32, "peak_cpu_pct": 60, "peak_memory_pct": 95, "latency_p95_ms": 520, "latency_slo_ms": 300, "burst_interval_days": 4, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "MEMORY", "required_capacity_multiplier": 1.3, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": "src://negative-low-cpu", "execution_authorization": false, "scenarios": [ { "id": "NO_CHANGE", "expected_capacity_multiplier": 1.0, "expected_cost_multiplier": 1.0, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true }, { "id": "SCALE_DOWN", "expected_capacity_multiplier": 0.8, "expected_cost_multiplier": 0.85, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true }, { "id": "SCALE_UP", "expected_capacity_multiplier": 1.5, "expected_cost_multiplier": 1.22, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "stale_recommendation_after_spike", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 44, "peak_cpu_pct": 75, "peak_memory_pct": 94, "latency_p95_ms": 500, "latency_slo_ms": 300, "burst_interval_days": 3, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 7, "latest_demand_age_days": 1, "bottleneck_claim": "MEMORY", "required_capacity_multiplier": 1.3, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": "src://stale-rec", "execution_authorization": false, "scenarios": [ { "id": "SCALE_UP", "expected_capacity_multiplier": 1.5, "expected_cost_multiplier": 1.2, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "hpa_missing_resource_requests", "demand_window_days": 7, "recommender_window_days": 8, "avg_cpu_pct": 60, "peak_cpu_pct": 90, "peak_memory_pct": 70, "latency_p95_ms": 340, "latency_slo_ms": 300, "burst_interval_days": 2, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "HPA_RESOURCE_UTILIZATION", "resource_requests_present": false, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "CPU", "required_capacity_multiplier": 1.2, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": "src://hpa-missing-request", "execution_authorization": false, "scenarios": [ { "id": "SCALE_OUT", "expected_capacity_multiplier": 1.4, "expected_cost_multiplier": 1.2, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "scenario_not_recomputed", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 65, "peak_cpu_pct": 94, "peak_memory_pct": 75, "latency_p95_ms": 390, "latency_slo_ms": 300, "burst_interval_days": 2, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "CPU", "required_capacity_multiplier": 1.25, "scenario_recomputed": false, "scenario_cost_current": true, "provenance_ref": "src://demand-v2", "execution_authorization": false, "scenarios": [ { "id": "SCALE_OUT", "expected_capacity_multiplier": 1.5, "expected_cost_multiplier": 1.25, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "stale_scenario_cost", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 67, "peak_cpu_pct": 95, "peak_memory_pct": 72, "latency_p95_ms": 410, "latency_slo_ms": 300, "burst_interval_days": 2, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "CPU", "required_capacity_multiplier": 1.25, "scenario_recomputed": true, "scenario_cost_current": false, "provenance_ref": "src://cost-old", "execution_authorization": false, "scenarios": [ { "id": "SCALE_OUT", "expected_capacity_multiplier": 1.5, "expected_cost_multiplier": 1.25, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "missing_provenance", "demand_window_days": 14, "recommender_window_days": 8, "avg_cpu_pct": 70, "peak_cpu_pct": 96, "peak_memory_pct": 70, "latency_p95_ms": 430, "latency_slo_ms": 300, "burst_interval_days": 2, "burst_observed": true, "seasonality_period_days": 7, "seasonality_covered": true, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 2, "bottleneck_claim": "CPU", "required_capacity_multiplier": 1.25, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": null, "execution_authorization": false, "scenarios": [ { "id": "SCALE_OUT", "expected_capacity_multiplier": 1.5, "expected_cost_multiplier": 1.25, "addresses_bottleneck": true, "constraint_ok": true, "rollback_defined": true } ] }, { "case_id": "transfer_monthly_batch_peak", "demand_window_days": 8, "recommender_window_days": 8, "avg_cpu_pct": 20, "peak_cpu_pct": 55, "peak_memory_pct": 45, "latency_p95_ms": 0, "latency_slo_ms": 0, "burst_interval_days": 30, "burst_observed": false, "seasonality_period_days": 30, "seasonality_covered": false, "autoscaling_mode": "NONE", "resource_requests_present": true, "recommendation_age_days": 1, "latest_demand_age_days": 1, "bottleneck_claim": "UNKNOWN", "required_capacity_multiplier": 1.8, "scenario_recomputed": true, "scenario_cost_current": true, "provenance_ref": "src://batch-eight-day-window", "execution_authorization": false, "scenarios": [ { "id": "NO_CHANGE", "expected_capacity_multiplier": 1.0, "expected_cost_multiplier": 1.0, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true }, { "id": "SCALE_OUT", "expected_capacity_multiplier": 2.0, "expected_cost_multiplier": 1.6, "addresses_bottleneck": false, "constraint_ok": true, "rollback_defined": true } ] } ] }