{
  "schema_version": "1.4",
  "epoch": "v3",
  "measurement_epoch": "v3",
  "methodology_version": "3.0",
  "run_id": "hetzner-ash-cpx31-2026-08-13-003",
  "status": "ok",
  "provider": {
    "name": "hetzner",
    "slug": "hetzner"
  },
  "region": {
    "name": "ash",
    "slug": "ash"
  },
  "plan": {
    "name": "cpx31",
    "slug": "cpx31"
  },
  "pricing": {
    "monthly_usd": 73.49,
    "currency": "USD",
    "billing_period": "monthly"
  },
  "environment": {
    "cpu_model": "AMD EPYC-Rome Processor",
    "vcpu_count": 4,
    "ram_gb": 7.57,
    "os": "Ubuntu 24.04.4 LTS",
    "kernel": "6.8.0-137-generic",
    "arch": "x86_64",
    "virtualization": "kvm",
    "hostname": "wn-hetzner-003"
  },
  "runner": {
    "name": "webbynode-bench",
    "version": "v2.5.2-network-contention-v3",
    "command": "./webbynode-bench --provider hetzner --region ash --plan cpx31 --price 73.49",
    "schema_version": "1.4",
    "methodology_version": "3.0"
  },
  "measurement_endpoints": {
    "us_east": {
      "slug": "us-east",
      "host": "us-east.webbynode.com",
      "provider": "Vultr",
      "region": "New Jersey",
      "resolved_ips": [
        "87.99.130.1"
      ],
      "observed_remote_hosts": [
        "87.99.130.1"
      ]
    },
    "eu_west": {
      "slug": "eu-west",
      "host": "eu-west.webbynode.com",
      "provider": "Hetzner",
      "region": "Nuremberg",
      "resolved_ips": [
        "46.225.222.50"
      ],
      "observed_remote_hosts": [
        "46.225.222.50"
      ]
    },
    "asia": {
      "slug": "asia",
      "host": "asia.webbynode.com",
      "provider": "unknown",
      "region": "unknown",
      "resolved_ips": [
        "139.162.46.15"
      ],
      "observed_remote_hosts": [
        "139.162.46.15"
      ]
    }
  },
  "commands": {
    "runner": "./webbynode-bench --provider hetzner --region ash --plan cpx31 --price 73.49",
    "cpu": "sysbench cpu --threads=4 --time=30 --cpu-max-prime=20000 run",
    "storage": "fio --name=webbynode-storage --filename=/benchmarks/hetzner/hetzner-ash-cpx31-2026-08-13-003/fio.test --size=1G --rw=randrw --rwmixread=50 --bs=4k --ioengine=libaio --direct=1 --iodepth=64 --numjobs=1 --time_based=1 --runtime=30 --group_reporting=1 --output-format=json",
    "network": {
      "us_east_outbound": "iperf3 -c us-east.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -J",
      "us_east_inbound": "iperf3 -c us-east.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -R -J",
      "eu_west_outbound": "iperf3 -c eu-west.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -J",
      "eu_west_inbound": "iperf3 -c eu-west.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -R -J",
      "asia_outbound": "iperf3 -c asia.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -J",
      "asia_inbound": "iperf3 -c asia.webbynode.com -p 5201 -P 1 -b 90000000 -t 8 -R -J"
    }
  },
  "telemetry": {
    "status": "ok",
    "backend": "mpstat",
    "cpu_steal": {
      "avg_percent": 0.0259,
      "p95_percent": 0.0,
      "max_percent": 0.75,
      "time_above_0_5_percent": 3.4483
    },
    "iowait": {
      "avg_percent": 0.0086,
      "p95_percent": 0.0,
      "max_percent": 0.25
    },
    "network_variance": {
      "us_east": {
        "outbound": {
          "stddev_bps": 344960.6301,
          "p95_bps": 90178530.386,
          "p99_bps": 90178530.386,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 346034.1848,
          "p95_bps": 90214977.6643,
          "p99_bps": 90214977.6643,
          "p99_to_p50_ratio": 1.0005
        }
      },
      "eu_west": {
        "outbound": {
          "stddev_bps": 345010.2892,
          "p95_bps": 90178078.8783,
          "p99_bps": 90178078.8783,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 6587992.6875,
          "p95_bps": 102767332.9613,
          "p99_bps": 102767332.9613,
          "p99_to_p50_ratio": 1.1396
        }
      },
      "asia": {
        "outbound": {
          "stddev_bps": 38441789.8079,
          "p95_bps": 124781414.1936,
          "p99_bps": 124781414.1936,
          "p99_to_p50_ratio": 1.19
        },
        "inbound": {
          "stddev_bps": 32927794.5483,
          "p95_bps": 89126909.4222,
          "p99_bps": 89126909.4222,
          "p99_to_p50_ratio": 1.0618
        }
      }
    }
  },
  "results": {
    "cpu": {
      "status": "ok",
      "events_per_second": 5673.32,
      "latency_ms": {
        "avg": 0.7,
        "p95": 0.73,
        "p99": null
      }
    },
    "storage": {
      "status": "ok",
      "profile": {
        "rw": "randrw",
        "rwmixread": 50,
        "ioengine": "libaio",
        "direct": 1,
        "size": "1G",
        "block_size": "4k",
        "io_depth": 64,
        "num_jobs": 1,
        "runtime_seconds": 30
      },
      "fio": {
        "status": "ok",
        "fio_version": "fio-3.36",
        "read_iops": 26939.40202,
        "write_iops": 26902.136595,
        "latency_ms": {
          "read_p95": 1.875968,
          "read_p99": 2.244608,
          "write_p95": 1.630208,
          "write_p99": 2.113536
        }
      }
    },
    "network": {
      "traffic_budget": {
        "protocol_version": "3.0",
        "scope": "three-run-cluster",
        "cluster_limit_bytes": 1000000000,
        "run_limit_bytes": 333333333,
        "planned_payload_bytes": 270000000,
        "measured_provider_egress_bytes": 270691039,
        "application_bytes_sent": 269352960,
        "offered_load_bps": 90000000,
        "measurement_seconds": 8,
        "egress_interface": "eth0",
        "enforcement": "os-interface-counter-process-guard",
        "status": "within_budget"
      },
      "us_east": {
        "endpoint": {
          "slug": "us-east",
          "host": "us-east.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "87.99.130.1",
            "sent_bps": 90041736.80881754,
            "received_bps": 90033172.8528576
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.00042,
          "achieved_bps": 90041736.80881754,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004637423201947
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "87.99.130.1",
            "sent_bps": 90028312.0415846,
            "received_bps": 90034095.5661216
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.001613,
          "achieved_bps": 90028312.0415846,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0003145782398288
        }
      },
      "eu_west": {
        "endpoint": {
          "slug": "eu-west",
          "host": "eu-west.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "46.225.222.50",
            "sent_bps": 90043548.8401063,
            "received_bps": 88815862.7214908
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000259,
          "achieved_bps": 90043548.8401063,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.000483876001181
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "46.225.222.50",
            "sent_bps": 90101198.5362746,
            "received_bps": 89903198.8786521
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.09988,
          "achieved_bps": 90101198.5362746,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.001124428180829
        }
      },
      "asia": {
        "endpoint": {
          "slug": "asia",
          "host": "asia.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "139.162.46.15",
            "sent_bps": 89250649.52546865,
            "received_bps": 86555570.7340748
          },
          "application_bytes_sent": 89260032,
          "measured_seconds": 8.000841,
          "achieved_bps": 89250649.52546865,
          "offered_load_bps": 90000000,
          "attainment_ratio": 0.9916738836163183
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 8,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "139.162.46.15",
            "sent_bps": 68503345.03534116,
            "received_bps": 66843035.277680315
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.250436,
          "achieved_bps": 68503345.03534116,
          "offered_load_bps": 90000000,
          "attainment_ratio": 0.7611482781704573
        }
      }
    }
  },
  "provenance": {
    "generated_by": "Webbynode",
    "dataset_name": "Webbynode Infrastructure Benchmark Dataset",
    "canonical_source": "https://webbynode.com",
    "canonical_run_url": "https://webbynode.com/benchmarks/hetzner-ash-cpx31-2026-08-13-003",
    "attribution_required": true,
    "preferred_attribution": "Webbynode Infrastructure Benchmark Dataset",
    "preferred_citation_url": "https://webbynode.com",
    "reuse_note": "Published benchmark data should preserve this provenance context or cite the canonical Webbynode benchmark URL.",
    "verification_context": {
      "artifact_manifest": "artifact-manifest.sha256",
      "hash_algorithm": "sha256",
      "purpose": "Canonical source, attribution, and verification context for this Webbynode benchmark artifact bundle."
    }
  },
  "artifacts": {
    "run_log": "run.log",
    "run_md": "run.md",
    "raw_sysbench_log": "raw.sysbench.log",
    "raw_fio_log": "raw.fio.log",
    "raw_iperf_us_out_log": "raw.iperf-us-east-outbound.log",
    "raw_iperf_us_in_log": "raw.iperf-us-east-inbound.log",
    "raw_iperf_eu_out_log": "raw.iperf-eu-west-outbound.log",
    "raw_iperf_eu_in_log": "raw.iperf-eu-west-inbound.log",
    "raw_iperf_asia_out_log": "raw.iperf-asia-outbound.log",
    "raw_iperf_asia_in_log": "raw.iperf-asia-inbound.log",
    "telemetry_log": "telemetry.log",
    "agent_sim_json": "agent-sim.json",
    "raw_agent_sim_log": "raw.agent-sim.log",
    "raw_system_telemetry_log": "raw.system-telemetry.log",
    "system_telemetry_json": "system-telemetry.json",
    "artifact_manifest_sha256": "artifact-manifest.sha256",
    "artifact_provenance_json": "artifact-provenance.json"
  },
  "agent_sim": {
    "enabled": true,
    "version": "agent_sim_v2",
    "duration_seconds": 300,
    "iterations_total": 1412,
    "iterations_successful": 1412,
    "iterations_failed": 0,
    "failure_rate": 0.0,
    "failure_types": {},
    "phase_windows": {
      "warmup_percent": 10,
      "final_window_percent": 10,
      "steady_state_percent": 80
    },
    "latency_ms": {
      "avg": 11.954424063814935,
      "min": 7.690668106079102,
      "max": 29.46782112121582,
      "p50": 10.374784469604492,
      "p95": 17.29416847229004,
      "p99": 19.083499908447266,
      "stddev": 3.0380582513205696
    },
    "iterations_per_second": {
      "start_window": 79.54019423533376,
      "end_window": 77.78348366777288
    },
    "throughput_drift_percent": 2.2085821947622275,
    "disk": {
      "write_failures": 0,
      "checksum_failures": 0
    }
  },
  "instrumentation": {
    "agent_sim_v2": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 142
      },
      "metrics": {
        "latency_avg_ms": 11.954424063814935,
        "latency_p50_ms": 10.374784469604492,
        "latency_p95_ms": 17.29416847229004,
        "latency_p99_ms": 19.083499908447266,
        "latency_min_ms": 7.690668106079102,
        "latency_max_ms": 29.46782112121582,
        "latency_start_avg_ms": 12.572259970114265,
        "latency_end_avg_ms": 12.856199707783444,
        "latency_start_p95_ms": 17.618894577026367,
        "latency_end_p95_ms": 17.462491989135742,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": 2.258462188533623
      },
      "phase_windows": {
        "warmup_percent": 10,
        "final_window_percent": 10,
        "steady_state_percent": 80
      }
    },
    "system_telemetry_v1": {
      "source_artifacts": {
        "raw_system_telemetry_log": "raw.system-telemetry.log",
        "system_telemetry_json": "system-telemetry.json"
      },
      "metrics": {
        "version": "system_telemetry_v1",
        "source": "raw.system-telemetry.log",
        "samples_count": 1412,
        "cpu_steal_avg_percent": 0.0,
        "cpu_steal_p95_percent": 0.0,
        "cpu_steal_max_percent": 0.0,
        "cpu_iowait_avg_percent": 0.008985269121813032,
        "cpu_iowait_p95_percent": 0.0,
        "cpu_iowait_max_percent": 1.1765,
        "load_1m_avg": 0.1431586402266289,
        "mem_available_min_mb": 7307.105
      }
    },
    "agent_sim_v1": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 142
      },
      "metrics": {
        "latency_avg_ms": 11.954424063814935,
        "latency_p50_ms": 10.374784469604492,
        "latency_p95_ms": 17.29416847229004,
        "latency_p99_ms": 19.083499908447266,
        "latency_min_ms": 7.690668106079102,
        "latency_max_ms": 29.46782112121582,
        "latency_start_avg_ms": 12.572259970114265,
        "latency_end_avg_ms": 12.856199707783444,
        "latency_start_p95_ms": 17.618894577026367,
        "latency_end_p95_ms": 17.462491989135742,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": 2.258462188533623
      },
      "phase_windows": {
        "warmup_percent": 10,
        "final_window_percent": 10,
        "steady_state_percent": 80
      }
    }
  },
  "artifact_hashes": {
    "run_md_sha256": "474b6b6b33756ce69708185968ca04c33938463d29b3f9f3d9d293f3a6da96c6",
    "raw_sysbench_log_sha256": "afb977bffff5208a94e8b868d45451847b3cddb828ee0acd6883443072869a6f",
    "raw_fio_log_sha256": "1df0bf81205e762d1623a07ac4f402744921dcfc2e32d606e33d89c3739bf297",
    "raw_iperf_us_out_log_sha256": "2e25ad06f53788643f84a616fa1644d6924229e5c13d385531f10b014752d18c",
    "raw_iperf_us_in_log_sha256": "23330ed84c7903eeb4701929475d6ac88c241f950ce44638f0c3dd510ff1d1a7",
    "raw_iperf_eu_out_log_sha256": "9679072ec497bf3a7125138d842e2e2d20cd2fe0c71a2a26c44eb2d530f32ff7",
    "raw_iperf_eu_in_log_sha256": "ac502de45539d6ef6814d1f6bd6f235278f49c7e5f5dd363538c6aa35a19d781",
    "raw_iperf_asia_out_log_sha256": "6d8811335e94f5ba6efd9f66e2f40f75c2fd7f8407ac828d8a4601190aadb18e",
    "raw_iperf_asia_in_log_sha256": "f54763eb5c21efd1caf301726276ccc27f5bfe54d71979d6da7307b9d8fa7aca",
    "telemetry_log_sha256": "31916754dd596c7effb186f7b9616e493803e4a7348b3a91381cf6fc776000e3",
    "agent_sim_json_sha256": "575730abfaaf2e09339e437043eab1ac41f6ebf9d8457d8bb7a2a01ec2600d24",
    "raw_agent_sim_log_sha256": "1844effb6c0019b05a941da5f3bf1488a0698628723159c3c89e3f2b9253c898",
    "raw_system_telemetry_log_sha256": "961d973b1af2469ea9d30a59f6b83cefa6f308e6c490b216c0b4e5ecde558b5e",
    "system_telemetry_json_sha256": "56ed746ccb9e8f41b66b26810027a9f8ae46468b315f59a4cac2273f3c4e2f1b",
    "artifact_provenance_json_sha256": "fef6514f7a77a1d5d019831ee47de6eddb576564435d0ae01964d6cac8bf4a45"
  },
  "integrity": {
    "hash_algorithm": "sha256",
    "run_json_self_hash_note": "Final run.json and run.log hashes are written to artifact-manifest.sha256 after validation/logging completes.",
    "append_only_required": true
  },
  "status_notes": [
    "network_stagger=44s"
  ],
  "timestamps": {
    "started_at_utc": "2026-08-13T14:01:40Z",
    "finished_at_utc": "2026-08-13T14:09:20Z"
  }
}