{
  "schema_version": "1.4",
  "epoch": "v3",
  "measurement_epoch": "v3",
  "methodology_version": "3.0",
  "run_id": "vultr-ewr-vc2-4gb-2026-08-24-003",
  "status": "partial",
  "provider": {
    "name": "vultr",
    "slug": "vultr"
  },
  "region": {
    "name": "ewr",
    "slug": "ewr"
  },
  "plan": {
    "name": "vc2-4gb",
    "slug": "vc2-4gb"
  },
  "pricing": {
    "monthly_usd": 20.0,
    "currency": "USD",
    "billing_period": "monthly"
  },
  "environment": {
    "cpu_model": "Intel Xeon Processor (Skylake, IBRS)",
    "vcpu_count": 2,
    "ram_gb": 3.82,
    "os": "Ubuntu 24.04.4 LTS",
    "kernel": "6.8.0-138-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 ewr --plan vc2-4gb --price 20.00",
    "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 ewr --plan vc2-4gb --price 20.00",
    "cpu": "sysbench cpu --threads=2 --time=30 --cpu-max-prime=20000 run",
    "storage": "fio --name=webbynode-storage --filename=/benchmarks/vultr/vultr-ewr-vc2-4gb-2026-08-24-003/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": 0.0172,
      "p95_percent": 0.0,
      "max_percent": 0.5,
      "time_above_0_5_percent": 0.0
    },
    "iowait": {
      "avg_percent": 0.0,
      "p95_percent": 0.0,
      "max_percent": 0.0
    },
    "network_variance": {
      "us_east": {
        "outbound": {
          "stddev_bps": 345557.5367,
          "p95_bps": 90179067.901,
          "p99_bps": 90179067.901,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 343571.7941,
          "p95_bps": 90180873.9986,
          "p99_bps": 90180873.9986,
          "p99_to_p50_ratio": 1.0
        }
      },
      "eu_west": {
        "outbound": {
          "stddev_bps": 344091.1405,
          "p95_bps": 90178616.3879,
          "p99_bps": 90178616.3879,
          "p99_to_p50_ratio": 1.0
        },
        "inbound": {
          "stddev_bps": 525158.0985,
          "p95_bps": 90179788.1812,
          "p99_bps": 90179788.1812,
          "p99_to_p50_ratio": 1.0
        }
      },
      "asia": {
        "outbound": {
          "stddev_bps": 37300675.7286,
          "p95_bps": 152047625.4234,
          "p99_bps": 152047625.4234,
          "p99_to_p50_ratio": 1.6862
        },
        "inbound": {
          "stddev_bps": 34586347.6688,
          "p95_bps": 99658670.9455,
          "p99_bps": 99658670.9455,
          "p99_to_p50_ratio": 1.0801
        }
      }
    }
  },
  "results": {
    "cpu": {
      "status": "ok",
      "events_per_second": 746.77,
      "latency_ms": {
        "avg": 2.68,
        "p95": 3.13,
        "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": 25269.032151,
        "write_iops": 25222.422122,
        "latency_ms": {
          "read_p95": 2.342912,
          "read_p99": 4.42368,
          "write_p95": 1.859584,
          "write_p99": 14.614528
        }
      }
    },
    "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": 271551689,
        "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": 90041815.5912701,
            "received_bps": 89972529.07423325
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000413,
          "achieved_bps": 90041815.5912701,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.000464617680779
        },
        "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": 89954148.5550454,
            "received_bps": 90033521.6812583
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.00821,
          "achieved_bps": 89954148.5550454,
          "offered_load_bps": 90000000,
          "attainment_ratio": 0.9994905395005044
        }
      },
      "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": 90040116.1718099,
            "received_bps": 88940229.09316526
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000564,
          "achieved_bps": 90040116.1718099,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004457352423322
        },
        "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": 89999744.4874655,
            "received_bps": 89902535.93736096
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.085709,
          "achieved_bps": 89999744.4874655,
          "offered_load_bps": 90000000,
          "attainment_ratio": 0.9999971609718389
        }
      },
      "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": 90039913.5962859,
            "received_bps": 87299726.1440765
          },
          "application_bytes_sent": 90046464,
          "measured_seconds": 8.000582,
          "achieved_bps": 90039913.5962859,
          "offered_load_bps": 90000000,
          "attainment_ratio": 1.0004434844031767
        },
        "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": 75926893.1051915,
            "received_bps": 74968667.13780496
          },
          "application_bytes_sent": null,
          "measured_seconds": 8.230961,
          "achieved_bps": 75926893.1051915,
          "offered_load_bps": 90000000,
          "attainment_ratio": 0.8436321456132388
        }
      }
    }
  },
  "provenance": {
    "generated_by": "Webbynode",
    "dataset_name": "Webbynode Infrastructure Benchmark Dataset",
    "canonical_source": "https://webbynode.com",
    "canonical_run_url": "https://webbynode.com/benchmarks/vultr-ewr-vc2-4gb-2026-08-24-003",
    "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": 1239,
    "iterations_successful": 1239,
    "iterations_failed": 0,
    "failure_rate": 0.0,
    "failure_types": {},
    "phase_windows": {
      "warmup_percent": 10,
      "final_window_percent": 10,
      "steady_state_percent": 80
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    "latency_ms": {
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      "min": 32.26494789123535,
      "max": 96.38428688049316,
      "p50": 40.57192802429199,
      "p95": 48.00224304199219,
      "p99": 53.870201110839844,
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    "iterations_per_second": {
      "start_window": 24.048109007825232,
      "end_window": 23.570466124420037
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    "throughput_drift_percent": 1.9861972650314044,
    "disk": {
      "write_failures": 0,
      "checksum_failures": 0
    }
  },
  "instrumentation": {
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      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 124
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      "metrics": {
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        "latency_p50_ms": 40.57192802429199,
        "latency_p95_ms": 48.00224304199219,
        "latency_p99_ms": 53.870201110839844,
        "latency_min_ms": 32.26494789123535,
        "latency_max_ms": 96.38428688049316,
        "latency_start_avg_ms": 41.58331117322368,
        "latency_end_avg_ms": 42.42597472283148,
        "latency_start_p95_ms": 47.147274017333984,
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        "failure_count": 0,
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      "phase_windows": {
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        "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": 1239,
        "cpu_steal_avg_percent": 0.20350169491525424,
        "cpu_steal_p95_percent": 2.0408,
        "cpu_steal_max_percent": 7.8431,
        "cpu_iowait_avg_percent": 0.01799322033898305,
        "cpu_iowait_p95_percent": 0.0,
        "cpu_iowait_max_percent": 2.0833,
        "load_1m_avg": 0.20620661824051656,
        "mem_available_min_mb": 3402.48
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    },
    "agent_sim_v1": {
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        "successful_task_window_count": 124
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      "metrics": {
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        "latency_start_p95_ms": 47.147274017333984,
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        "failure_count": 0,
        "failure_types": {},
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      "phase_windows": {
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        "final_window_percent": 10,
        "steady_state_percent": 80
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    }
  },
  "artifact_hashes": {
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    "raw_sysbench_log_sha256": "f1d58776616a9ba5607a4fca33d8f815ee87025250d1bd9c3df3a454bd4ffb1f",
    "raw_fio_log_sha256": "bba0e5ecd491b2e68a997d35b808c73c0fa8d3260ac170f01d49647a6f05c5de",
    "raw_iperf_us_out_log_sha256": "7ed8e6f3f6266fd1beedfe4b1d2b4b5872141ad8916ec2031705525c33398069",
    "raw_iperf_us_in_log_sha256": "302fb5181c9b89b3f794419e612bdf58189d6a268d9a5d7c0cc01bb680e5ed7e",
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    "raw_iperf_eu_in_log_sha256": "9431fe146fcaf47cdd17565509dd5d135c23e66e10fdeeac186c4a673e877244",
    "raw_iperf_asia_out_log_sha256": "387b5c280270b415898abfcf72c6a8dcc198ceccdb7ab9b0e741a64e96e38d74",
    "raw_iperf_asia_in_log_sha256": "ecc3ee2360ac643b643e673d83b08ec3173ab6ac289c5842b33fbb5229e8f7d6",
    "telemetry_log_sha256": "c5aec41a707370acb90622d700d4750b30823d137e24357288120a1a04711aff",
    "agent_sim_json_sha256": "a4ca7701ff2fd6dd58b93364bf17d3d430b91f8a73903e88b243f351915ffdb8",
    "raw_agent_sim_log_sha256": "7b796f09da2e2a805dbd7bd781ee8d5b4e28d20039bb05c7e18fb1b071d93dc6",
    "raw_system_telemetry_log_sha256": "37c7a8b7fe0a8113b9658b83a5a7bbd95c539dec765c0dc1e154ffba4431f225",
    "system_telemetry_json_sha256": "64775473104f51df081a6ff19439fa36e61948c3c20798f9ec7aff62dec4b36f",
    "artifact_provenance_json_sha256": "458fd598f88a971fb5d725198295934dd36d64ae5cfa8b0c8bda0d82d8c0c89e"
  },
  "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": "2026-08-24T16:22:35Z",
    "finished_at_utc": "2026-08-24T16:30:18Z"
  }
}