{
 "id": "vps-steal",
 "title": "VPS の CPU 待ち時間（steal）",
 "updated_at": "2026-11-07 00:50",
 "method": {
  "期間": "2026-11-03 08:04〜2026-11-07 00:50（JST、直近 7 日）",
  "回数": "15 分ごと、計 3,164 回",
  "計測点": "各 VPS の /proc/stat を 5 秒あけて 2 回読み、その間の steal の割合を出す（読むだけで負荷はかけない）",
  "対象": "当社が契約している VPS 9 台。A〜E は台の名前を伏せたもので、記事と同じ割り当て"
 },
 "caption": "steal は、VM が CPU を使いたいのに、ハイパーバイザーがほかの VM に CPU を渡していた時間の割合です。平均・p95・最大は 15 分ごとの 5 秒間の値、起動からの累計は最新の読み取りでの値です。メモリは OS から見える量です。どれも小さいプランで各社 1〜5 台のため、社の優劣を決める数字にはしていません。",
 "columns": [
  {
   "key": "label",
   "label": "計測点"
  },
  {
   "key": "ncpu",
   "label": "vCPU",
   "num": true
  },
  {
   "key": "mem_gb",
   "label": "メモリ",
   "num": true,
   "unit": "GB"
  },
  {
   "key": "n",
   "label": "回数",
   "num": true,
   "unit": "回"
  },
  {
   "key": "mean",
   "label": "steal 平均",
   "num": true,
   "unit": "%",
   "dp": 2
  },
  {
   "key": "p95",
   "label": "steal p95",
   "num": true,
   "unit": "%",
   "dp": 2
  },
  {
   "key": "max",
   "label": "steal 最大",
   "num": true,
   "unit": "%",
   "dp": 2
  },
  {
   "key": "boot",
   "label": "起動からの累計",
   "num": true,
   "unit": "%",
   "dp": 3
  }
 ],
 "rows": [
  {
   "label": "WebARENA Indigo-A",
   "brand_id": "webarena_indigo",
   "ncpu": 1,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.0,
   "max": 0.0,
   "boot": 0.001
  },
  {
   "label": "WebARENA Indigo-B",
   "brand_id": "webarena_indigo",
   "ncpu": 1,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.0,
   "max": 0.2,
   "boot": 0.001
  },
  {
   "label": "WebARENA Indigo-C",
   "brand_id": "webarena_indigo",
   "ncpu": 1,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.0,
   "max": 0.0,
   "boot": 0.002
  },
  {
   "label": "WebARENA Indigo-D",
   "brand_id": "webarena_indigo",
   "ncpu": 1,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.0,
   "max": 0.2,
   "boot": 0.001
  },
  {
   "label": "WebARENA Indigo-E",
   "brand_id": "webarena_indigo",
   "ncpu": 1,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.0,
   "max": 0.2,
   "boot": 0.002
  },
  {
   "label": "さくらのVPS-A",
   "brand_id": "sakura_vps",
   "ncpu": 2,
   "mem_gb": 0.9,
   "n": 359,
   "fail": 0,
   "mean": 0.05,
   "p95": 0.11,
   "max": 0.9,
   "boot": 0.026
  },
  {
   "label": "ConoHa VPS-A",
   "brand_id": "conoha_vps",
   "ncpu": 1,
   "mem_gb": 0.4,
   "n": 357,
   "fail": 0,
   "mean": 0.05,
   "p95": 0.2,
   "max": 0.4,
   "boot": 0.05
  },
  {
   "label": "シン・VPS-A",
   "brand_id": "shin_vps",
   "ncpu": 2,
   "mem_gb": 1.9,
   "n": 356,
   "fail": 1,
   "mean": 0.22,
   "p95": 0.73,
   "max": 19.87,
   "boot": 0.335
  },
  {
   "label": "さくらのVPS-B",
   "brand_id": "sakura_vps",
   "ncpu": 4,
   "mem_gb": 3.8,
   "n": 297,
   "fail": 0,
   "mean": 0.0,
   "p95": 0.05,
   "max": 0.05,
   "boot": 0.003
  }
 ],
 "svg": null,
 "csv": "vps-steal.csv",
 "dataset": {
  "name": "VPS の CPU 待ち時間（steal）",
  "temporalCoverage": "2026-11-03T08:04+09:00/2026-11-07T00:50+09:00",
  "measurementTechnique": "15 分ごとに /proc/stat を 5 秒あけて 2 回読み、steal の割合を記録",
  "variableMeasured": [
   "steal（%）"
  ]
 }
}