{
  "measured_date": "2026-10-10",
  "n8n": {
    "version": "2.42.6"
  },
  "node": {
    "version": "v24.21.0"
  },
  "installation_size_kb": 2810464,
  "installation_total_bytes": 2877915136,
  "installation_total_gb": 2.88,
  "environment": {
    "machine": "Apple M4 Pro",
    "memory_gb": 64,
    "sysctl": {
      "machdep.cpu.brand_string": "Apple M4 Pro",
      "hw.memsize": 68719476736
    }
  },
  "method": "Node v24 でn8nを5679番ポートに6回起動。空のN8N_USER_FOLDERを各回に使い、起動から/healthz/readiness のHTTP 200（DB がつながり移行が済んだ状態）までを計時。200の10秒後にn8nプロセスと子プロセスのps RSS（KB）を合算し、SIGTERMで停止。初回を分け、2〜6回目の中央値を採用。",
  "runs": [
    {
      "run": 1,
      "seconds": 5.033,
      "memory_rss_kb": 857392
    },
    {
      "run": 2,
      "seconds": 3.118,
      "memory_rss_kb": 577520
    },
    {
      "run": 3,
      "seconds": 5.625,
      "memory_rss_kb": 597264
    },
    {
      "run": 4,
      "seconds": 3.806,
      "memory_rss_kb": 580944
    },
    {
      "run": 5,
      "seconds": 3.817,
      "memory_rss_kb": 579056
    },
    {
      "run": 6,
      "seconds": 4.31,
      "memory_rss_kb": 891504
    }
  ],
  "steady_runs": [
    {
      "run": 2,
      "seconds": 3.118,
      "memory_rss_kb": 577520
    },
    {
      "run": 3,
      "seconds": 5.625,
      "memory_rss_kb": 597264
    },
    {
      "run": 4,
      "seconds": 3.806,
      "memory_rss_kb": 580944
    },
    {
      "run": 5,
      "seconds": 3.817,
      "memory_rss_kb": 579056
    },
    {
      "run": 6,
      "seconds": 4.31,
      "memory_rss_kb": 891504
    }
  ],
  "first_run_seconds": 5.033,
  "first_run_memory_rss_kb": 857392,
  "median_seconds": 3.817,
  "median_memory_rss_kb": 580944,
  "median_basis": "runs 2-6; even-sized median is the mean of the two middle values",
  "unit_map": {
    "steady_runs[].seconds": "秒",
    "steady_runs[].memory_rss_kb": "KB"
  }
}