{
  "schema_version": "1.4",
  "epoch": "v3",
  "measurement_epoch": "v3",
  "methodology_version": "3.0",
  "run_id": "vultr-ams-vhf-4c-16gb-2026-08-15-003",
  "status": "partial",
  "provider": {
    "name": "vultr",
    "slug": "vultr"
  },
  "region": {
    "name": "ams",
    "slug": "ams"
  },
  "plan": {
    "name": "vhf-4c-16gb",
    "slug": "vhf-4c-16gb"
  },
  "pricing": {
    "monthly_usd": 96.0,
    "currency": "USD",
    "billing_period": "monthly"
  },
  "environment": {
    "cpu_model": "Intel Core Processor (Skylake, IBRS, no TSX)",
    "vcpu_count": 4,
    "ram_gb": 15.61,
    "os": "Ubuntu 24.04.4 LTS",
    "kernel": "6.8.0-136-generic",
    "arch": "x86_64",
    "virtualization": "microsoft",
    "hostname": "wn-vultr-003"
  },
  "runner": {
    "name": "webbynode-bench",
    "version": "v2.5.2-network-contention-v3",
    "command": "./webbynode-bench --provider vultr --region ams --plan vhf-4c-16gb --price 96.00",
    "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 vultr --region ams --plan vhf-4c-16gb --price 96.00",
    "cpu": "sysbench cpu --threads=4 --time=30 --cpu-max-prime=20000 run",
    "storage": "fio --name=webbynode-storage --filename=/benchmarks/vultr/vultr-ams-vhf-4c-16gb-2026-08-15-003/fio.test --size=2G --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": 0.0255,
      "p95_percent": 0.0,
      "max_percent": 0.74,
      "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": 344883.8741,
          "p95_bps": 90178078.8783,
          "p99_bps": 90178078.8783,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 461846.4748,
          "p95_bps": 90184120.8558,
          "p99_bps": 90184120.8558,
          "p99_to_p50_ratio": 1.0001
        }
      },
      "eu_west": {
        "outbound": {
          "stddev_bps": 345781.105,
          "p95_bps": 90179610.7977,
          "p99_bps": 90179610.7977,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 371883.4315,
          "p95_bps": 90249828.5333,
          "p99_bps": 90249828.5333,
          "p99_to_p50_ratio": 1.0008
        }
      },
      "asia": {
        "outbound": {
          "stddev_bps": 31459694.6496,
          "p95_bps": 153092096.0,
          "p99_bps": 153092096.0,
          "p99_to_p50_ratio": 1.6977
        },
        "inbound": {
          "stddev_bps": 35432697.4171,
          "p95_bps": 126864886.4184,
          "p99_bps": 126864886.4184,
          "p99_to_p50_ratio": 1.4068
        }
      }
    }
  },
  "results": {
    "cpu": {
      "status": "ok",
      "events_per_second": 2469.08,
      "latency_ms": {
        "avg": 1.62,
        "p95": 1.64,
        "p99": null
      }
    },
    "storage": {
      "status": "ok",
      "profile": {
        "rw": "randrw",
        "rwmixread": 50,
        "ioengine": "libaio",
        "direct": 1,
        "size": "2G",
        "block_size": "4k",
        "io_depth": 64,
        "num_jobs": 1,
        "runtime_seconds": 30
      },
      "fio": {
        "status": "ok",
        "fio_version": "fio-3.36",
        "read_iops": 79922.90257,
        "write_iops": 79855.904803,
        "latency_ms": {
          "read_p95": 0.67584,
          "read_p99": 0.88064,
          "write_p95": 0.667648,
          "write_p99": 0.888832
        }
      }
    },
    "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": 271519329,
        "application_bytes_sent": 270139392,
        "offered_load_bps": 90000000,
        "measurement_seconds": 8,
        "egress_interface": "enp1s0",
        "enforcement": "os-interface-counter-process-guard",
        "status": "payload_noncompliant"
      },
      "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": 90043436.28945477,
            "received_bps": 89003550.62385857
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000269,
          "achieved_bps": 90043436.28945477,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004826254383863
        },
        "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": 90030821.04754744,
            "received_bps": 89903603.3900055
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.082918,
          "achieved_bps": 90030821.04754744,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0003424560838605
        }
      },
      "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": 90043909.004082,
            "received_bps": 89939772.94434477
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000227,
          "achieved_bps": 90043909.004082,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004878778231332
        },
        "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": 90060648.53578164,
            "received_bps": 90034872.0102287
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.010383,
          "achieved_bps": 90060648.53578164,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.000673872619796
        }
      },
      "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": 90043301.22904433,
            "received_bps": 87922174.32745306
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000281,
          "achieved_bps": 90043301.22904433,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004811247671592
        },
        "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": 90002385.71622106,
            "received_bps": 90034984.5394712
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.178676,
          "achieved_bps": 90002385.71622106,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0000265079580117
        }
      }
    }
  },
  "provenance": {
    "generated_by": "Webbynode",
    "dataset_name": "Webbynode Infrastructure Benchmark Dataset",
    "canonical_source": "https://webbynode.com",
    "canonical_run_url": "https://webbynode.com/benchmarks/vultr-ams-vhf-4c-16gb-2026-08-15-003",
    "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": 779,
    "iterations_successful": 779,
    "iterations_failed": 0,
    "failure_rate": 0.0,
    "failure_types": {},
    "phase_windows": {
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    "latency_ms": {
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      "min": 176.09596252441406,
      "max": 226.23038291931152,
      "p50": 183.49027633666992,
      "p95": 196.66314125061035,
      "p99": 201.11751556396484,
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    "iterations_per_second": {
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    "throughput_drift_percent": 0.448753920866153,
    "disk": {
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      "checksum_failures": 0
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  "instrumentation": {
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      "metrics": {
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        "latency_p95_ms": 196.66314125061035,
        "latency_p99_ms": 201.11751556396484,
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        "latency_start_avg_ms": 184.121691263639,
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        "steady_state_percent": 80
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    },
    "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": 779,
        "cpu_steal_avg_percent": 0.0008445442875481386,
        "cpu_steal_p95_percent": 0.0,
        "cpu_steal_max_percent": 0.6579,
        "cpu_iowait_avg_percent": 0.004115147625160462,
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      "phase_windows": {
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  "artifact_hashes": {
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    "raw_sysbench_log_sha256": "9a0cb18d2c5d488579f80399eb3128d569d9049d0ff50b86b779696cd6a3e4c5",
    "raw_fio_log_sha256": "1673fded5d034e82337cff74025b264d29840de25fe7ca5e220a46960bd5715a",
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    "telemetry_log_sha256": "6590e710816e838e74104dc06bcb607346ce2b2ef86f61a551cfb43823264129",
    "agent_sim_json_sha256": "ff972f9e355e56a01caff1844e41cb42470bb4b33dd39cfe83dc696ae7fff49b",
    "raw_agent_sim_log_sha256": "04168d7cc7e1ea85a9bb5c02e11992cebde3a5a3c6e4afbad374ddc3881546a9",
    "raw_system_telemetry_log_sha256": "2671a2d9615edffb1ed17143542b10713a535a49a8669122263e838d3aadc11b",
    "system_telemetry_json_sha256": "27267a4e2ebc24287563ad7c562228a7526dc8a664aae33371d25f92dd473bea",
    "artifact_provenance_json_sha256": "990b08c8dc36271b2e6cf1171fb58b5298853c4e9f2e44712cb1f792dc8bc75b"
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  "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",
    "network_budget=payload_noncompliant"
  ],
  "timestamps": {
    "started_at_utc": "2026-08-15T23:40:12Z",
    "finished_at_utc": "2026-08-15T23:47:52Z"
  }
}