e8cp_legacy_w12

Hetzner dedicated benchmark host; 8 CPU / 4 GiB container; 120 users · performance · login_ramp: truncated or pending

Historical assessment

{
  "batch": "20260909-eightcore",
  "status": "historical-completed-with-limitations",
  "limitations": [
    "One execution per configuration; no estimate of variability.",
    "Historical late_drift_s and pending_at_end metrics are unvalidated because the old load engine had known calculation/accounting defects.",
    "Completed is finished calls, not necessarily successful HTTP responses.",
    "Configurations ran sequentially; do not infer a statistically established winner.",
    "Original README claims are preserved as historical documents, not endorsed conclusions."
  ],
  "plan_sha256": "376ea43df7141f77d631d97126a38bd0ef8fa58427b930b3704d966458d96bdd",
  "artifact_sha256": "440141fce09c4f5aeacad0658b6690507ab13cd46bd53975dacb38142dbdbb60",
  "manifest_sha256": "637bfd0042e770d533b57d004967cc0d91b968e956674842c99804bd68a25a24",
  "source_campaign": "e8c_profiles_hetzner_2026-08-31",
  "artifact_archive": "s3://genro-backups/artifacts/benchmarks/20260909-eightcore/originals.tar.gz",
  "genropy_revision": "cad7055ce4f99ec3640527ba09d80b6f3d57e96c",
  "genro_asgi_revision": "b839c8f8888092347cf16a9b834f71b062b0f021"
}

Revision: f9740a59d49290ce8431de4d02053824debb97ef

[
  {
    "phase": "login_ramp",
    "p50_ms": 103.132,
    "p95_ms": 225.883,
    "p99_ms": 272.874,
    "offered": 6901,
    "withheld": 239,
    "completed": 6901,
    "errors_app": 1,
    "late_max_s": 0.0148,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 5,
    "late_drift_s": 0.0001,
    "wall_seconds": 121.19,
    "declared_rows": 7140,
    "offered_per_s": 57.51,
    "pending_at_end": 0,
    "completed_per_s": 57.51,
    "completed_ratio": 0.9665,
    "declared_seconds": 119.99,
    "errors_transport": 0,
    "offered_declared": 7140,
    "late_first_half_s": 0.0002,
    "truncated_by_stop": true,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 120
  },
  {
    "phase": "full_warmup",
    "p50_ms": 64.22,
    "p95_ms": 109.355,
    "p99_ms": 148.813,
    "offered": 7200,
    "withheld": 0,
    "completed": 7200,
    "errors_app": 0,
    "late_max_s": 0.0031,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 1,
    "late_drift_s": 0.0001,
    "wall_seconds": 61.19,
    "declared_rows": 7200,
    "offered_per_s": 120.0,
    "pending_at_end": 0,
    "completed_per_s": 120.0,
    "completed_ratio": 1.0,
    "declared_seconds": 60.0,
    "errors_transport": 0,
    "offered_declared": 7200,
    "late_first_half_s": 0.0001,
    "truncated_by_stop": false,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 120
  },
  {
    "phase": "full_measure_1",
    "p50_ms": 68.169,
    "p95_ms": 129.911,
    "p99_ms": 168.912,
    "offered": 14400,
    "withheld": 0,
    "completed": 14400,
    "errors_app": 0,
    "late_max_s": 0.0058,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 0,
    "late_drift_s": 0.0001,
    "wall_seconds": 121.2,
    "declared_rows": 14400,
    "offered_per_s": 120.0,
    "pending_at_end": 0,
    "completed_per_s": 120.0,
    "completed_ratio": 1.0,
    "declared_seconds": 120.0,
    "errors_transport": 0,
    "offered_declared": 14400,
    "late_first_half_s": 0.0001,
    "truncated_by_stop": false,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 120
  },
  {
    "phase": "pause_50",
    "p50_ms": 78.267,
    "p95_ms": 142.436,
    "p99_ms": 173.693,
    "offered": 4200,
    "withheld": 0,
    "completed": 4200,
    "errors_app": 0,
    "late_max_s": 0.0019,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 0,
    "late_drift_s": 0.0001,
    "wall_seconds": 61.19,
    "declared_rows": 4200,
    "offered_per_s": 70.0,
    "pending_at_end": 0,
    "completed_per_s": 70.0,
    "completed_ratio": 1.0,
    "declared_seconds": 60.0,
    "errors_transport": 0,
    "offered_declared": 4200,
    "late_first_half_s": 0.0002,
    "truncated_by_stop": false,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 70
  },
  {
    "phase": "return_ramp",
    "p50_ms": 82.081,
    "p95_ms": 179.461,
    "p99_ms": 237.111,
    "offered": 4845,
    "withheld": 0,
    "completed": 4845,
    "errors_app": 0,
    "late_max_s": 0.0029,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 0,
    "late_drift_s": 0.0001,
    "wall_seconds": 52.19,
    "declared_rows": 4845,
    "offered_per_s": 95.0,
    "pending_at_end": 0,
    "completed_per_s": 95.0,
    "completed_ratio": 1.0,
    "declared_seconds": 51.0,
    "errors_transport": 0,
    "offered_declared": 4845,
    "late_first_half_s": 0.0002,
    "truncated_by_stop": false,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 120
  },
  {
    "phase": "full_measure_2",
    "p50_ms": 70.078,
    "p95_ms": 142.924,
    "p99_ms": 184.805,
    "offered": 14400,
    "withheld": 0,
    "completed": 14400,
    "errors_app": 0,
    "late_max_s": 0.0035,
    "late_p50_s": 0.0002,
    "late_p95_s": 0.0003,
    "errors_http": 0,
    "late_drift_s": 0.0001,
    "wall_seconds": 121.2,
    "declared_rows": 14400,
    "offered_per_s": 120.0,
    "pending_at_end": 0,
    "completed_per_s": 120.0,
    "completed_ratio": 1.0,
    "declared_seconds": 120.0,
    "errors_transport": 0,
    "offered_declared": 14400,
    "late_first_half_s": 0.0002,
    "truncated_by_stop": false,
    "late_second_half_s": 0.0002,
    "active_users_at_end": 120
  }
]