{
  "schema_version": "1.3",
  "epoch": "v2",
  "measurement_epoch": "v2",
  "methodology_version": "2.1",
  "run_id": "vultr-ewr-vc2-4c-8gb-2026-06-08-003",
  "status": "ok",
  "provider": {
    "name": "vultr",
    "slug": "vultr"
  },
  "region": {
    "name": "ewr",
    "slug": "ewr"
  },
  "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 (Skylake, IBRS)",
    "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 ewr --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 ewr --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-ewr-vc2-4c-8gb-2026-06-08-003/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": 0.0259,
      "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": 456039909.8191,
          "p95_bps": 5271260045.765,
          "p99_bps": 5271260045.765,
          "p99_to_p50_ratio": 1.0799
        },
        "inbound": {
          "stddev_bps": 196362520.4851,
          "p95_bps": 2963210426.1912,
          "p99_bps": 2963210426.1912,
          "p99_to_p50_ratio": 1.0925
        }
      },
      "eu_west": {
        "outbound": {
          "stddev_bps": 24587393.2757,
          "p95_bps": 451948459.017,
          "p99_bps": 451948459.017,
          "p99_to_p50_ratio": 1.2529
        },
        "inbound": {
          "stddev_bps": 38965241.3541,
          "p95_bps": 265301129.3025,
          "p99_bps": 265301129.3025,
          "p99_to_p50_ratio": 1.004
        }
      },
      "asia": {
        "outbound": {
          "stddev_bps": 64292681.5199,
          "p95_bps": 206567625.1415,
          "p99_bps": 206567625.1415,
          "p99_to_p50_ratio": 1.1589
        },
        "inbound": {
          "stddev_bps": 27924781.3056,
          "p95_bps": 102758904.5232,
          "p99_bps": 102758904.5232,
          "p99_to_p50_ratio": 1.0769
        }
      }
    }
  },
  "results": {
    "cpu": {
      "status": "ok",
      "events_per_second": 1425.02,
      "latency_ms": {
        "avg": 2.81,
        "p95": 3.25,
        "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": 20335.777615,
        "write_iops": 20314.879008,
        "latency_ms": {
          "read_p95": 3.03104,
          "read_p99": 10.682368,
          "write_p95": 3.35872,
          "write_p99": 19.00544
        }
      }
    },
    "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": 4728940276.88271,
            "received_bps": 4720466192.876094
          }
        },
        "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": 2691354896.983481,
            "received_bps": 2690376305.6530337
          }
        }
      },
      "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": 364997441.128218,
            "received_bps": 352933316.7250166
          }
        },
        "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": 246895508.85920313,
            "received_bps": 246606711.2202378
          }
        }
      },
      "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": 139166013.47028393,
            "received_bps": 124926268.08134237
          }
        },
        "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": 82502007.5890122,
            "received_bps": 82132490.51452197
          }
        }
      }
    }
  },
  "provenance": {
    "generated_by": "Webbynode",
    "dataset_name": "Webbynode Infrastructure Benchmark Dataset",
    "canonical_source": "https://webbynode.com",
    "canonical_run_url": "https://webbynode.com/benchmarks/vultr-ewr-vc2-4c-8gb-2026-06-08-003",
    "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": 1227,
    "iterations_successful": 1227,
    "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": 43.38762171402537,
      "min": 34.870147705078125,
      "max": 195.22905349731445,
      "p50": 41.83053970336914,
      "p95": 52.99115180969238,
      "p99": 63.29655647277832,
      "stddev": 6.711970836128858
    },
    "iterations_per_second": {
      "start_window": 22.328606406365623,
      "end_window": 19.952344509598717
    },
    "throughput_drift_percent": 10.642231107130184,
    "disk": {
      "write_failures": 0,
      "checksum_failures": 0
    }
  },
  "instrumentation": {
    "agent_sim_v2": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 123
      },
      "metrics": {
        "latency_avg_ms": 43.38762171402537,
        "latency_p50_ms": 41.83053970336914,
        "latency_p95_ms": 52.99115180969238,
        "latency_p99_ms": 63.29655647277832,
        "latency_min_ms": 34.870147705078125,
        "latency_max_ms": 195.22905349731445,
        "latency_start_avg_ms": 44.78559842923792,
        "latency_end_avg_ms": 50.11942328476324,
        "latency_start_p95_ms": 52.144527435302734,
        "latency_end_p95_ms": 66.95246696472168,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": 11.909687583951488
      },
      "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": 1227,
        "cpu_steal_avg_percent": 0.2688867970660147,
        "cpu_steal_p95_percent": 1.0417,
        "cpu_steal_max_percent": 6.1947,
        "cpu_iowait_avg_percent": 0.9119924205378973,
        "cpu_iowait_p95_percent": 2.1053,
        "cpu_iowait_max_percent": 5.2632,
        "load_1m_avg": 0.16859005704971478,
        "mem_available_min_mb": 7465.113
      }
    },
    "agent_sim_v1": {
      "window_definition": {
        "successful_task_window_percent": 10,
        "successful_task_window_count": 123
      },
      "metrics": {
        "latency_avg_ms": 43.38762171402537,
        "latency_p50_ms": 41.83053970336914,
        "latency_p95_ms": 52.99115180969238,
        "latency_p99_ms": 63.29655647277832,
        "latency_min_ms": 34.870147705078125,
        "latency_max_ms": 195.22905349731445,
        "latency_start_avg_ms": 44.78559842923792,
        "latency_end_avg_ms": 50.11942328476324,
        "latency_start_p95_ms": 52.144527435302734,
        "latency_end_p95_ms": 66.95246696472168,
        "failure_count": 0,
        "failure_types": {},
        "drift_percent": 11.909687583951488
      },
      "phase_windows": {
        "warmup_percent": 10,
        "final_window_percent": 10,
        "steady_state_percent": 80
      }
    }
  },
  "artifact_hashes": {
    "run_md_sha256": "22bcb25bfff13233011fe6a8f03af47bd72292658e62f70938217f457a2aef44",
    "raw_sysbench_log_sha256": "f1aefc6cf5c4b3815abf8b20f02bb5c6cdb6254876786ada812d7ef96b979856",
    "raw_fio_log_sha256": "2da1bf6324670620aca720cbdcf18b4450e732a7829ecb490aff4d87eb989e3e",
    "raw_iperf_us_out_log_sha256": "cde2dbf930cf2badc5c34d98a1871a45d9d75da5512b5c85094d757d93708ae2",
    "raw_iperf_us_in_log_sha256": "4a08cc5b4059c9ec528e6ce7f10c6fc4448dfe90c58a565aa4879def6dccf8d5",
    "raw_iperf_eu_out_log_sha256": "d141c8375390b5ccb3560f29ba9ca49e059b9ff554fa83de24497818bd0c00f8",
    "raw_iperf_eu_in_log_sha256": "0ea19cb05d48f8e65b51fe55a970984b265508ecb10011a32c537bc0e979df01",
    "raw_iperf_asia_out_log_sha256": "516a982c5f0cbe3497f5ae0c7748ef1a8fd2f1d15d31232b6b7f720b22ca013c",
    "raw_iperf_asia_in_log_sha256": "6f221656b3b8063e4efb22efa9e9ea7447f01365f2e43c8d02cdb374a1339ee2",
    "telemetry_log_sha256": "645b7ba4ccf0b8e83bddf9470d6ad1dd96a8f7ef70bade5dc684655e8b8e7d22",
    "agent_sim_json_sha256": "e624a361fe4de0b0dbd64ce00d56a8317ed6797739ef23abad54268932ecefab",
    "raw_agent_sim_log_sha256": "45b54617a784b16f185f186e91924869da5ce77d8df41f7ca58cb9211a81b06d",
    "raw_system_telemetry_log_sha256": "69a9a937324d9a6f5f0576da312ba309804c0437d209271288c274cb3aa4c00e",
    "system_telemetry_json_sha256": "51e8f444ecb2143b73f12e612a4acceac9ceb484ae81de01ffaa2ffbabcf7a7e",
    "artifact_provenance_json_sha256": "4dac229a03d559df6cff4d38568ec9006c353d9ac473797b763de3674795d992"
  },
  "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": "2026-06-08T17:52:46Z",
    "finished_at_utc": "2026-06-08T18:00:29Z"
  }
}