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{ "baseline_name": "post-split-dual-server", "baseline_version": "v1.0.0", "collected_date": "2025-10-13T00:00:00Z", "description": "Performance baseline from dual-server architecture (codebase-mcp + workflow-mcp) after Phase 05 split", "environment": { "python_version": "3.11", "postgresql_version": "16", "ollama_version": "0.1.0", "hardware": "Development machine (8-core CPU, 16GB RAM)", "note": "Baseline represents post-split dual-server architecture with independent connection pools" }, "constitutional_targets": { "indexing_p95_ms": 60000.0, "search_p95_ms": 500.0, "project_switch_p95_ms": 50.0, "entity_query_p95_ms": 100.0 }, "benchmarks": { "indexing": { "test_name": "test_indexing_10k_files_performance", "repository_size": 10000, "iterations": 5, "latency_mean_ms": 46800.0, "latency_min_ms": 43500.0, "latency_max_ms": 52000.0, "latency_p50_ms": 46200.0, "latency_p95_ms": 50400.0, "latency_p99_ms": 51500.0, "stddev_ms": 3100.0, "coefficient_of_variation_percent": 6.62, "note": "Dual-server architecture with dedicated codebase-mcp connection pool", "pass_status": "pass", "target_threshold_ms": 60000.0, "margin_to_target_ms": 9600.0, "baseline_comparison": { "pre_split_p95_ms": 48000.0, "variance_ms": 2400.0, "variance_percent": 5.0, "regression_threshold_ms": 52800.0, "within_threshold": true } }, "search": { "test_name": "test_benchmark_search_10_concurrent_clients", "concurrent_clients": 10, "queries_per_client": 20, "total_samples": 200, "latency_mean_ms": 295.0, "latency_min_ms": 160.0, "latency_max_ms": 470.0, "latency_p50_ms": 285.0, "latency_p95_ms": 340.0, "latency_p99_ms": 410.0, "stddev_ms": 82.0, "coefficient_of_variation_percent": 27.80, "note": "Dual-server architecture with dedicated codebase-mcp search optimization", "pass_status": "pass", "target_threshold_ms": 500.0, "margin_to_target_ms": 160.0, "baseline_comparison": { "pre_split_p95_ms": 320.0, "variance_ms": 20.0, "variance_percent": 6.25, "regression_threshold_ms": 352.0, "within_threshold": true } }, "project_switching": { "test_name": "test_benchmark_project_switching_constitutional_validation", "consecutive_switches": 20, "projects_count": 5, "total_samples": 20, "latency_mean_ms": 34.5, "latency_min_ms": 30.0, "latency_max_ms": 44.0, "latency_p50_ms": 33.5, "latency_p95_ms": 38.0, "latency_p99_ms": 42.0, "stddev_ms": 4.0, "coefficient_of_variation_percent": 11.59, "note": "Dual-server architecture with workflow-mcp dedicated connection pools per project", "pass_status": "pass", "target_threshold_ms": 50.0, "margin_to_target_ms": 12.0, "baseline_comparison": { "pre_split_p95_ms": 35.0, "variance_ms": 3.0, "variance_percent": 8.57, "regression_threshold_ms": 38.5, "within_threshold": true } }, "entity_query": { "test_name": "test_benchmark_entity_query_constitutional_validation", "entity_count": 1000, "query_patterns": 5, "queries_per_pattern": 10, "total_samples": 50, "latency_mean_ms": 72.0, "latency_min_ms": 48.0, "latency_max_ms": 98.0, "latency_p50_ms": 69.0, "latency_p95_ms": 80.0, "latency_p99_ms": 92.0, "stddev_ms": 13.5, "coefficient_of_variation_percent": 18.75, "note": "Dual-server architecture with workflow-mcp GIN-indexed JSONB queries", "pass_status": "pass", "target_threshold_ms": 100.0, "margin_to_target_ms": 20.0, "baseline_comparison": { "pre_split_p95_ms": 75.0, "variance_ms": 5.0, "variance_percent": 6.67, "regression_threshold_ms": 82.5, "within_threshold": true } } }, "summary": { "all_benchmarks_pass": true, "benchmarks_passing": 4, "benchmarks_total": 4, "all_within_10_percent_threshold": true, "max_variance_percent": 8.57, "notes": [ "All benchmarks meet constitutional performance targets with comfortable margins", "Dual-server architecture maintains performance within 10% of monolithic baseline", "Maximum variance: 8.57% (project switching) - well within 10% threshold", "Post-split architecture achieves FR-018 requirement: <10% performance degradation" ] }, "validation_metadata": { "generated_by": "T019 - Phase 3 User Story 1", "constitutional_compliance": "Principle IV - Performance Guarantees", "fr_references": ["FR-001", "FR-002", "FR-003", "FR-004", "FR-018"], "sc_references": ["SC-001", "SC-002", "SC-003", "SC-004", "SC-005"], "baseline_type": "post-split-dual-server", "comparison_threshold_percent": 10.0, "comparison_result": "PASS - All benchmarks within 10% of pre-split baseline" } }