{
  "schema": 3,
  "harness_version": "0.1.0",
  "started": "2026-09-09T01:56:22+00:00",
  "finished": "2026-09-09T02:03:11.394617+00:00",
  "seed": 204330278,
  "filesystems": {
    "source": "tmpfs",
    "destination": "tmpfs"
  },
  "source": "/path/to/empty-source-scratch",
  "destination": "benchmark-peer:/path/to/empty-destination-scratch",
  "aborted": null,
  "host": {
    "kernel": "6.12.107+deb13-cloud-amd64",
    "machine": "x86_64",
    "cpus": 4,
    "python": "3.13.13",
    "hostname": "source-host"
  },
  "spec": {
    "name": "public-wan-unchanged-tree",
    "description": "Release 0.5.2 comparison; generated incompressible fixture; logical throughput",
    "endpoints": {
      "source": "/path/to/empty-source-scratch",
      "destination": "benchmark-peer:/path/to/empty-destination-scratch",
      "ssh": "/usr/bin/ssh"
    },
    "tools": [
      {
        "name": "syq",
        "kind": "syq",
        "binary": "/path/to/syq",
        "args": [
          "rsync",
          "-a",
          "--stats",
          "--no-progress",
          "--syq-no-bootstrap",
          "--rsync-path",
          "/path/to/syq"
        ],
        "debug": false
      },
      {
        "name": "syq-ssh",
        "kind": "syq",
        "binary": "/path/to/syq",
        "args": [
          "rsync",
          "-a",
          "--stats",
          "--no-progress",
          "--syq-no-bootstrap",
          "--rsync-path",
          "/path/to/syq",
          "--syq-no-tcp"
        ],
        "debug": false
      },
      {
        "name": "rsync",
        "kind": "rsync",
        "binary": "/usr/bin/rsync",
        "args": [
          "-a"
        ],
        "debug": false
      }
    ],
    "workloads": [
      {
        "name": "unchanged-tree",
        "kind": "small-files",
        "bytes": 419430400,
        "files": 100000,
        "changed": 0.0,
        "mutate": "rewrite"
      }
    ],
    "protocol": {
      "repeats": 3,
      "seed": 204330278,
      "cache": "warm",
      "durable": false,
      "verify": true,
      "probes": false,
      "tool_timeout": 300,
      "slow_cutoff": 0
    }
  },
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      "binary": "syq",
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        "sha256": "da584b363640f2757f485058103c4be5f906fd8f7fd7e5d582bbcfd98a9ca1ef"
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      "binary": "rsync",
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        "version": "rsync  version 3.4.1  protocol version 32",
        "sha256": "a56c05b960beb734169619d5760b43ff495e84f85a93eb1f54fe58118262fb20"
      }
    }
  },
  "cases": [
    {
      "workload": "unchanged-tree",
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      "bytes": 419400000,
      "files": 100000,
      "source_fs": "tmpfs",
      "mode": "incremental",
      "prepopulated_with": "rsync",
      "too_short": false,
      "source": "/path/to/empty-source-scratch",
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      "skipped": null,
      "curtailed": null,
      "repeats": [
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          "sys_s": 0.5557189999999999,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850931,
          "fsync_note": "not requested"
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          "sys_s": 0.5550539999999984,
          "exit_code": 0,
          "verified": true,
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          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850932,
          "fsync_note": "not requested"
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          "wall_s": 6.432262022999566,
          "user_s": 0.9492599999999989,
          "sys_s": 0.5341469999999973,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850933,
          "fsync_note": "not requested"
        }
      ]
    },
    {
      "workload": "unchanged-tree",
      "tool": "syq-ssh",
      "bytes": 419400000,
      "files": 100000,
      "source_fs": "tmpfs",
      "mode": "incremental",
      "prepopulated_with": "rsync",
      "too_short": false,
      "source": "/path/to/empty-source-scratch",
      "error": null,
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      "curtailed": null,
      "repeats": [
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          "user_s": 0.9702450000000002,
          "sys_s": 0.5756350000000001,
          "exit_code": 0,
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          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850931,
          "fsync_note": "not requested"
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          "exit_code": 0,
          "verified": true,
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          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850932,
          "fsync_note": "not requested"
        },
        {
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          "user_s": 0.9357089999999992,
          "sys_s": 0.5523029999999949,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850933,
          "fsync_note": "not requested"
        }
      ]
    },
    {
      "workload": "unchanged-tree",
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      "files": 100000,
      "source_fs": "tmpfs",
      "mode": "incremental",
      "prepopulated_with": "rsync",
      "too_short": false,
      "source": "/path/to/empty-source-scratch",
      "error": null,
      "skipped": null,
      "curtailed": null,
      "repeats": [
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          "wall_s": 12.158929584000362,
          "user_s": 0.19979499999999994,
          "sys_s": 0.3239889999999992,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850931,
          "fsync_note": "not requested"
        },
        {
          "index": 1,
          "wall_s": 12.060916886000996,
          "user_s": 0.17302700000000115,
          "sys_s": 0.3505890000000029,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850932,
          "fsync_note": "not requested"
        },
        {
          "index": 2,
          "wall_s": 12.012987258000067,
          "user_s": 0.1711109999999998,
          "sys_s": 0.3493840000000006,
          "exit_code": 0,
          "verified": true,
          "fsync_s": null,
          "cache": "warm",
          "metadata_cache": "warm",
          "changed_files": 0,
          "changed_bytes": 0,
          "delta_seed": 2116850933,
          "fsync_note": "not requested"
        }
      ]
    }
  ],
  "probes": [],
  "uncontrolled": [
    "metadata cache (dentries/inodes) is not evicted: generation, checksum, and repeats all warm it",
    "remote end: fixture pages evicted on the client only",
    "Shared host activity not reserved by OS; untimed before/after resource snapshots retained.",
    "Metadata caches warm; data cache preparation recorded per repeat; no global eviction.",
    "No final flush requested; command completion does not establish durability or physical device throughput.",
    "Logical throughput is not physical disk, network or DRAM traffic.",
    "Per-copy OUTPUT packet/byte counters distinguish benchmark TCP ports from SSH; headers/control packets included; same rules for all tools.",
    "GNU time wrapper is timed; maximum process RSS is not aggregate simultaneous memory.",
    "Clean runs have no debug tracing or concurrent diagnostic sampler; setup snapshots are untimed."
  ],
  "network": {
    "before": {
      "ping": {
        "loss_pct": 0,
        "rtt_avg_ms": 106.578,
        "count": 20
      },
      "missing": [
        "Private network details omitted"
      ]
    },
    "after": {
      "ping": null,
      "missing": [
        "Private network details omitted"
      ]
    }
  },
  "publication": {
    "syq_revision": "fd2b17c642e62d7ee63f7f3835560a6ceacd0afb",
    "build_type": "release source build",
    "release": "0.5.2",
    "harness_revision": "a81f64898a1080f7dceba0d05a6b4a919f8211c5",
    "manual_recipe": "specs/release-052/public-wan-unchanged-tree.toml",
    "environment": {
      "kernel": "6.12.107+deb13-cloud-amd64",
      "versions": {
        "syq": "syq 0.5.2",
        "syq-ssh": "syq 0.5.2",
        "rsync": "rsync  version 3.4.1  protocol version 32"
      },
      "allowed_cpus": 4,
      "governors": [
        "unavailable"
      ],
      "cpu_model": "AMD EPYC-Milan Processor"
    },
    "path_filesystems": {
      "source": "tmpfs",
      "destination": "tmpfs"
    },
    "source_build_sha256": "da584b363640f2757f485058103c4be5f906fd8f7fd7e5d582bbcfd98a9ca1ef",
    "selection_note": "Charts omit entire workloads if any tool is incomplete, unverified, cache preparation failed, or any repeat is under three seconds. Omitted cases remain in this capture.",
    "remote_identity_basis": "Independent deployment and final hashes of the explicit --rsync-path helper, checked on both endpoints; the stock PATH probe did not identify that helper."
  }
}