{ "schema_version": 1, "suite_id": "internet-platform-pressure", "title": "Internet platform 50G pressure scenario set", "status": "scenario_contract_not_evidence", "purpose": "Persist neutral internet platform pressure scenarios so later runnable work can reuse testcase ids, workload profiles, restore policy, and report fields without treating this file as execution proof.", "pass_warning": "This suite is configuration metadata only. It does not prove live target execution, measured throughput, or any pressure pass, and it must not be reported as formal capacity evidence without a fresh attempt-root guard result.", "support_truth": { "prepare": "supported_now", "run": "supported_now", "live_target_execution": "not_proven", "formal_pressure_pass": "not_proven", "boundary": "supported_now means selectable non-live implementation paths for internet prepare and run; this suite is not live E2E, benchmark, measured throughput, or pressure-pass evidence." }, "dataset_binding": { "target_size": "50G", "model": "internet_platform", "catalog_table_count": 22, "csv_object_target_bytes": 536870912, "restore_baseline": "prepare_end_backup", "replace_per_attempt": [ "database", "object_store_binding", "metadata_path", "backup_storage_binding", "metrics_datasource" ], "executor_derived": [ "table_scoped_global_sort_workspace" ] }, "default_measurement_contract": { "duration_seconds": 300, "warmup_seconds": 60, "cooldown_seconds": 30, "progress_interval_secs": 30, "warmup_excluded_from_measurement": true, "restore_policy": "restore_before_each_capacity_step", "case_result_status": "observed_or_blocked_only", "formal_pass_requires": [ "fresh init, prepare, run, and cleanup attempt-root evidence", "live target execution evidence", "zero blocked runtime statements", "run receipt and closeout generated by the same committed binary", "guard success from the attempt root" ] }, "required_report_fields": [ "testcase_id", "target_size", "catalog_table_count", "source_object_count", "restore_policy", "restore_receipt", "warmup_seconds", "measurement_seconds", "concurrency", "pressure_node_count", "pressure_worker_count", "sql_pool_size", "workload_mix", "workload_profile", "observed_distribution_summary", "executed_statement_count", "statement_qps", "stable_statement_qps", "blocked_statement_count", "blocked_root_cause", "report_parity.pressure_shape", "report_parity.sql_type_statement_qps", "report_parity.latency", "report_parity.resource_evidence_paths", "report_parity.bottleneck_interpretation_status", "tidb_p99_latency_ms", "tidb_qps", "tikv_grpc_rate", "tikv_write_stall_max", "pd_region_symptoms", "pressure_node_cpu", "pressure_node_memory", "pressure_node_network", "bottleneck_interpretation" ], "scenarios": [ { "testcase_id": "internet-platform-pressure-c128-baseline", "family": "canonical_platform_restore_isolated", "objective": "Measure a neutral platform baseline after restoring the prepare-end backup.", "workload_profile": { "name": "canonical-platform", "hotspot": false }, "restore_policy": "restore_before_step", "measurement_seconds": 300, "concurrency": 128, "pressure_node_count": 2, "per_node_sql_pool_size": 64, "per_node_worker_limit": 128, "transaction_focus": [ "account_session", "merchant_catalog_search", "order_placement", "payment_authorization", "order_status_lookup" ], "observation_focus": [ "baseline statement throughput", "order and payment latency", "read and write balance" ] }, { "testcase_id": "internet-platform-pressure-c256-order-money", "family": "order_money_restore_isolated", "objective": "Raise order and money lane pressure while preserving platform transaction lineage.", "workload_profile": { "name": "order-money-balanced", "hotspot": false, "weighted_families": { "order_placement": 0.24, "matching_dispatch": 0.18, "payment_authorization": 0.18, "wallet_movement": 0.12, "settlement_batch": 0.08, "order_status_lookup": 0.10, "merchant_catalog_search": 0.10 } }, "restore_policy": "restore_before_step", "measurement_seconds": 300, "concurrency": 256, "pressure_node_count": 4, "per_node_sql_pool_size": 96, "per_node_worker_limit": 192, "observation_focus": [ "order event append latency", "authorization and wallet write latency", "settlement batch read-write balance" ] }, { "testcase_id": "internet-platform-pressure-c384-dispatch", "family": "dispatch_availability_restore_isolated", "objective": "Stress matching and availability state changes without embedding fixed SQL literals.", "workload_profile": { "name": "dispatch-availability", "hotspot": false, "weighted_families": { "provider_availability_update": 0.22, "matching_dispatch": 0.28, "order_placement": 0.18, "operational_health_read": 0.12, "merchant_catalog_search": 0.10, "order_status_lookup": 0.10 } }, "restore_policy": "restore_before_step", "measurement_seconds": 300, "concurrency": 384, "pressure_node_count": 4, "per_node_sql_pool_size": 128, "per_node_worker_limit": 256, "observation_focus": [ "availability update contention", "dispatch claim latency", "operational read impact" ] }, { "testcase_id": "internet-platform-pressure-c256-hot-service-area", "family": "declared_hotspot_restore_isolated", "objective": "Concentrate approximately 80% of selected business roots on exactly 20% of prepared service-area keys while keeping hotspot policy outside SQL text.", "workload_profile": { "name": "internet-service-area-20-80", "hotspot": true, "hot_dimensions": ["service_area"], "hot_set_size": 0, "skew_percent": 80, "skew_function": "hotset_uniform", "lineage_seed": 198, "hot_range_percent": 20, "hot_range_placement": "middle", "hot_density_ratio_target": 16, "derived_hot_pressure_percent": 80 }, "restore_policy": "restore_before_step", "measurement_seconds": 300, "concurrency": 256, "pressure_node_count": 4, "per_node_sql_pool_size": 96, "per_node_worker_limit": 192, "observation_focus": [ "per-domain selected-root hot/non-hot distribution", "service-area key-to-TiKV Region mapping", "lock wait and retry symptoms", "latency difference from canonical profile" ], "pass_interpretation": "Hotspot output is stress evidence only and must not be reported as a canonical pass sample." } ], "reuse_rules": [ "Reuse testcase ids only after binding a fresh target environment and attempt id.", "Do not reuse measured values from another profile as internet-platform pressure evidence.", "Do not require users to provide per-table global-sort workspaces; the executor derives them from the attempt binding.", "Do not mix restore-isolated and continuous-ramp results in the same capacity curve." ] }