{
  "schema_version": "1.3",
  "epoch": "v2",
  "measurement_epoch": "v2",
  "methodology_version": "2.1",
  "run_id": "vultr-icn-vc2-4c-8gb-2026-06-25-003",
  "status": "ok",
  "provider": {
    "name": "vultr",
    "slug": "vultr"
  },
  "region": {
    "name": "icn",
    "slug": "icn"
  },
  "plan": {
    "name": "vc2-4c-8gb",
    "slug": "vc2-4c-8gb"
  },
  "pricing": {
    "monthly_usd": 40.0,
    "currency": "USD",
    "billing_period": "monthly"
  },
  "environment": {
    "cpu_model": "Intel Xeon Processor (Cascadelake)",
    "vcpu_count": 4,
    "ram_gb": 7.75,
    "os": "Ubuntu 24.04.4 LTS",
    "kernel": "6.8.0-124-generic",
    "arch": "x86_64",
    "virtualization": "microsoft",
    "hostname": "vultr.guest"
  },
  "runner": {
    "name": "webbynode-bench",
    "version": "v2.4-agent-sim-v2",
    "command": "./webbynode-bench --provider vultr --region icn --plan vc2-4c-8gb --price 40",
    "schema_version": "1.3",
    "methodology_version": "2.1"
  },
  "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 icn --plan vc2-4c-8gb --price 40",
    "cpu": "sysbench cpu --threads=4 --time=30 --cpu-max-prime=20000 run",
    "storage": "fio --name=webbynode-storage --filename=/benchmarks/vultr/vultr-icn-vc2-4c-8gb-2026-06-25-003/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 -t 15 -J",
      "us_east_inbound": "iperf3 -c us-east.webbynode.com -p 5201 -P 1 -t 15 -R -J",
      "eu_west_outbound": "iperf3 -c eu-west.webbynode.com -p 5201 -P 1 -t 15 -J",
      "eu_west_inbound": "iperf3 -c eu-west.webbynode.com -p 5201 -P 1 -t 15 -R -J",
      "asia_outbound": "iperf3 -c asia.webbynode.com -p 5201 -P 1 -t 15 -J",
      "asia_inbound": "iperf3 -c asia.webbynode.com -p 5201 -P 1 -t 15 -R -J"
    }
  },
  "telemetry": {
    "status": "ok",
    "backend": "mpstat",
    "cpu_steal": {
      "avg_percent": 0.0345,
      "p95_percent": 0.25,
      "max_percent": 0.75,
      "time_above_0_5_percent": 3.4483
    },
    "iowait": {
      "avg_percent": 0.0172,
      "p95_percent": 0.25,
      "max_percent": 0.25
    },
    "network_variance": {
      "us_east": {
        "outbound": {
          "stddev_bps": 49647734.6973,
          "p95_bps": 238024368.5239,
          "p99_bps": 238024368.5239,
          "p99_to_p50_ratio": 1.3278
        },
        "inbound": {
          "stddev_bps": 28945308.2758,
          "p95_bps": 114300268.3256,
          "p99_bps": 114300268.3256,
          "p99_to_p50_ratio": 1.0284
        }
      },
      "eu_west": {
        "outbound": {
          "stddev_bps": 53174746.4035,
          "p95_bps": 185611316.4623,
          "p99_bps": 185611316.4623,
          "p99_to_p50_ratio": 1.0413
        },
        "inbound": {
          "stddev_bps": 26736862.0156,
          "p95_bps": 102755413.4967,
          "p99_bps": 102755413.4967,
          "p99_to_p50_ratio": 1.0889
        }
      },
      "asia": {
        "outbound": {
          "stddev_bps": 55358209.5058,
          "p95_bps": 363858778.1482,
          "p99_bps": 363858778.1482,
          "p99_to_p50_ratio": 1.0117
        },
        "inbound": {
          "stddev_bps": 43274283.2982,
          "p95_bps": 227552371.5066,
          "p99_bps": 227552371.5066,
          "p99_to_p50_ratio": 1.0141
        }
      }
    }
  },
  "results": {
    "cpu": {
      "status": "ok",
      "events_per_second": 1572.13,
      "latency_ms": {
        "avg": 2.54,
        "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": 54421.985934,
        "write_iops": 54375.620813,
        "latency_ms": {
          "read_p95": 0.929792,
          "read_p99": 1.18784,
          "write_p95": 0.970752,
          "write_p99": 1.286144
        }
      }
    },
    "network": {
      "us_east": {
        "endpoint": {
          "slug": "us-east",
          "host": "us-east.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "87.99.130.1",
            "sent_bps": 165725710.98095435,
            "received_bps": 148886212.95777538
          }
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "87.99.130.1",
            "sent_bps": 98438538.12992047,
            "received_bps": 98209462.4705013
          }
        }
      },
      "eu_west": {
        "endpoint": {
          "slug": "eu-west",
          "host": "eu-west.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "46.225.222.50",
            "sent_bps": 143848602.4656853,
            "received_bps": 128710017.94450647
          }
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "46.225.222.50",
            "sent_bps": 83813679.3058499,
            "received_bps": 83041201.4809327
          }
        }
      },
      "asia": {
        "endpoint": {
          "slug": "asia",
          "host": "asia.webbynode.com"
        },
        "outbound": {
          "direction": "outbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "139.162.46.15",
            "sent_bps": 320197006.9561722,
            "received_bps": 308237828.65126556
          }
        },
        "inbound": {
          "direction": "inbound",
          "parallel_streams": 1,
          "duration_seconds": 15,
          "retries_used": 0,
          "final_outcome": "ok",
          "result": {
            "status": "ok",
            "remote_host": "139.162.46.15",
            "sent_bps": 209379415.14159447,
            "received_bps": 209140901.3217715
          }
        }
      }
    }
  },
  "provenance": {
    "generated_by": "Webbynode",
    "dataset_name": "Webbynode Infrastructure Benchmark Dataset",
    "canonical_source": "https://webbynode.com",
    "canonical_run_url": "https://webbynode.com/benchmarks/vultr-icn-vc2-4c-8gb-2026-06-25-003",
    "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": 495,
    "iterations_successful": 495,
    "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": 405.73600663079156,
      "min": 390.15913009643555,
      "max": 458.24670791625977,
      "p50": 404.4356346130371,
      "p95": 418.1933403015137,
      "p99": 426.1975288391113,
      "stddev": 8.17699631775348
    },
    "iterations_per_second": {
      "start_window": 2.451371591447996,
      "end_window": 2.4763286574261314
    },
    "throughput_drift_percent": 1.0180857959357226,
    "disk": {
      "write_failures": 0,
      "checksum_failures": 0
    }
  },
  "instrumentation": {
    "agent_sim_v2": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 50
      },
      "metrics": {
        "latency_avg_ms": 405.73600663079156,
        "latency_p50_ms": 404.4356346130371,
        "latency_p95_ms": 418.1933403015137,
        "latency_p99_ms": 426.1975288391113,
        "latency_min_ms": 390.15913009643555,
        "latency_max_ms": 458.24670791625977,
        "latency_start_avg_ms": 407.934889793396,
        "latency_end_avg_ms": 403.823618888855,
        "latency_start_p95_ms": 421.3063716888428,
        "latency_end_p95_ms": 414.5684242248535,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": -1.007825270013855
      },
      "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": 495,
        "cpu_steal_avg_percent": 0.02795252525252525,
        "cpu_steal_p95_percent": 0.0,
        "cpu_steal_max_percent": 4.6875,
        "cpu_iowait_avg_percent": 0.005251515151515151,
        "cpu_iowait_p95_percent": 0.0,
        "cpu_iowait_max_percent": 0.5435,
        "load_1m_avg": 0.07290909090909091,
        "mem_available_min_mb": 7461.25
      }
    },
    "agent_sim_v1": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 50
      },
      "metrics": {
        "latency_avg_ms": 405.73600663079156,
        "latency_p50_ms": 404.4356346130371,
        "latency_p95_ms": 418.1933403015137,
        "latency_p99_ms": 426.1975288391113,
        "latency_min_ms": 390.15913009643555,
        "latency_max_ms": 458.24670791625977,
        "latency_start_avg_ms": 407.934889793396,
        "latency_end_avg_ms": 403.823618888855,
        "latency_start_p95_ms": 421.3063716888428,
        "latency_end_p95_ms": 414.5684242248535,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": -1.007825270013855
      },
      "phase_windows": {
        "warmup_percent": 10,
        "final_window_percent": 10,
        "steady_state_percent": 80
      }
    }
  },
  "artifact_hashes": {
    "run_md_sha256": "1624c766290feb60616e073cae83b6c45632285b042b09b15c4dcba754b1eead",
    "raw_sysbench_log_sha256": "267cd9da3a28d84dd47772e9451b013425983e5c0a116660feb570194bcc127a",
    "raw_fio_log_sha256": "cbb15cc50d4dff56f4afc2f7d95768b95be95d4a229cfebc34acb2fd69333745",
    "raw_iperf_us_out_log_sha256": "64c82b32201c4a57851945490f575db1d8c927a348e9621db97b8ba53be0dd7f",
    "raw_iperf_us_in_log_sha256": "5b3b5a42754c65ef3e8e74d2ba5a6e569b459c85c8d8c230ffe8d3d9b15332df",
    "raw_iperf_eu_out_log_sha256": "d3bd2d2e09fd6bc7216cba92b46184010ea8d6fd7ff419552a8460e54e77530e",
    "raw_iperf_eu_in_log_sha256": "ba72c4efe8f594c13157f0a30b877306e3894ffce8a1a029add6b6d33a326fcd",
    "raw_iperf_asia_out_log_sha256": "4f9889ff21f05364a015eb342c55f7193eb62292f31f4dae4134ec3b990d97ef",
    "raw_iperf_asia_in_log_sha256": "1f068999437f6d003690fdaf5861753ed67eb0da799b3b797f5913ae1f70296d",
    "telemetry_log_sha256": "bc1cd4b8bedeaf702d8a2a6895ba0868d36772069eb21f4ad2e17846d953d6f8",
    "agent_sim_json_sha256": "2de918d59b0e959c179fb4bdf7ed4e75b2aaee9bfbe6ed131fbd59efc06cd654",
    "raw_agent_sim_log_sha256": "8fd44e78a756ebd978923f896ebc7177b22b7fbe28e399d7a1addf5332f7b2ff",
    "raw_system_telemetry_log_sha256": "fadb2a67bb34388b5d8d94e95cfea032b8f95b4c5d2f1e23ee1260ca1a8c7bf1",
    "system_telemetry_json_sha256": "e82cd9082ae7dd10d46973cabcd0cf036cee43aca9f66a019827c981a6e95621",
    "artifact_provenance_json_sha256": "4a0bbef752badea521c0ff456e75f681597b896f3d4e658b732bc4d753838494"
  },
  "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": [],
  "timestamps": {
    "started_at_utc": "2026-06-25T15:09:44Z",
    "finished_at_utc": "2026-06-25T15:17:25Z"
  }
}