\n
![\"no_memory_protection\"](\"https:\/\/www.wacoca.com\/news\/wp-content\/uploads\/2024\/12\/1735083552_220_001.png\")
<\/p>\n\u5c11\u3057\u524d\u306bSNS\u4e0a\u3067\u3001\u3053\u306e\u9023\u8f09\u306b\u5bfe\u3059\u308b10\u5468\u5e74\u304a\u3081\u3067\u3068\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u9023\u8f09\u306f2014\u5e745\u6708\u306b\u7b2c1\u56de\u304c\u63b2\u8f09\u3055\u308c\u3001\u4eca\u5e74\u3067\u3061\u3087\u3046\u306910\u5e74\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3044\u305f\u3060\u304f\u3068\u306f\u601d\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3068\u3066\u3082\u3046\u308c\u3057\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n
\u6700\u521d\u306e\u9803\u306e\u8a18\u4e8b\u3092\u8aad\u3080\u3068\u3001\u6df1\u3044\u77e5\u8b58\u3092\u77e5\u3089\u306a\u3044\u307e\u307e\u66f8\u3044\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u8272\u3005\u306a\u3068\u3053\u308d\u304b\u3089\u611f\u3058\u3089\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u66f8\u304d\u7d9a\u3051\u308b\u3053\u3068\u3067\u79c1\u81ea\u8eab\u306e\u52c9\u5f37\u306b\u306a\u308a\u3001\u6700\u521d\u306e\u9803\u3088\u308a\u306f\u3088\u308a\u5145\u5b9f\u3057\u305f\u8a18\u4e8b\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6c17\u304c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3082\u3001\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u3044\u305f\u3060\u3044\u3066\u3044\u308b\u305f\u304f\u3055\u3093\u306e\u65b9\u306e\u304a\u304b\u3052\u3060\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u3060\u66f8\u304d\u305f\u3044\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u9023\u8f09\u306f\u7d9a\u304d\u307e\u3059\u3002\u5f15\u304d\u7d9a\u304d\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n
\u524d\u56de\u306f\u3001\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304ccgroup v1\u304b\u3089v2\u3067\u3069\u306e\u3088\u3046\u306b\u5909\u308f\u3063\u305f\u306e\u304b\u3092\u7d39\u4ecb\u3057\u3001\u5236\u9650\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u3068\u304d\u306e\u52d5\u304d\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u5236\u9650\u5024\u306f\u3001cgroup v1\u306e\u3068\u304d\u304b\u3089\u8a2d\u5b9a\u3067\u304d\u307e\u3057\u305f\u306e\u3067\u3001\u5236\u9650\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u3068\u304d\u306e\u52d5\u304d\u306f\u7406\u89e3\u3057\u3084\u3059\u304b\u3063\u305f\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
cgroup v2\u304b\u3089\u306f\u3001\u30e1\u30e2\u30ea\u306e\u5236\u9650\u5024\u3060\u3051\u3067\u306a\u304f\u30e1\u30e2\u30ea\u306e\u4fdd\u8a3c\u5024\u3092\u8a2d\u5b9a\u3057\u3001cgroup\u306b\u5bfe\u3059\u308b\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001cgroup v2\u306e\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u3001v1\u304b\u3089\u4e00\u756a\u5927\u304d\u304f\u5909\u308f\u3063\u305f\u6a5f\u80fd\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u4eca\u56de\u306f\u3001\u3053\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3057\u305f\u3068\u304d\u306e\u52d5\u304d\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
cgroup v1\u6642\u4ee3\u304b\u3089\u8a2d\u5b9a\u3055\u308c\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u7279\u5b9a\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u5927\u91cf\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u306a\u3044\u3088\u3046\u306b\u5236\u9650\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c6\u30ca\u30db\u30b9\u30c8\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u3064\u306a\u304c\u308a\u3001\u3072\u3044\u3066\u306f\u30b3\u30f3\u30c6\u30ca\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
\u4e00\u65b9\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u30db\u30b9\u30c8\u5168\u4f53\u3067\u30e1\u30e2\u30ea\u306e\u6d88\u8cbb\u91cf\u304c\u5897\u52a0\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u304c\u4f7f\u3063\u3066\u3044\u308b\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u308b\u3068\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u3001cgroup v2\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u6700\u4f4e\u9650\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u91cf\u3092\u8a2d\u5b9a\u3057\u3001\u5fc5\u8981\u4ee5\u4e0a\u306b\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u306a\u3044\u3088\u3046\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u4ed5\u7d44\u307f\u304c\u5b9f\u88c5\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u307e\u305a\u306f\u3001\u524d\u56de\u304b\u3089\u306e\u5fa9\u7fd2\u3092\u517c\u306d\u3066\u3001\u88681\u306bcgroup v2\u306e\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u4f7f\u7528\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u3092\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002\u524d\u56de\u8f09\u305b\u305f\u8868\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n
\u88681 cgroup v2\u306e\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u540d
\n\u6a5f\u80fd
\n\u64cd\u4f5c
\n\u30c7\u30d5\u30a9\u30eb\u30c8
\u5024<\/p>\n
memory.current
\ncgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u304c\u73fe\u5728\u4f7f\u3063\u3066\u3044\u308b\u30e1\u30e2\u30ea\u306e\u7dcf\u91cf
\n\u8aad\u307f\u53d6\u308a
\n\u30fc<\/p>\n
memory.min
\ncgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u3001cgroup\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u306f\u56de\u53ce\u3055\u308c\u306a\u3044\u3002\u56de\u53ce\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306fOOM Killer\u304c\u547c\u3070\u308c\u308b
\n\u8aad\u307f\u66f8\u304d
\n0<\/p>\n
memory.low
\ncgroup\u3068\u305d\u306e\u5b50\u5b6bcgroup\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u5c11\u306a\u3044\u5834\u5408\u3001\u56de\u53ce\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u3092\u306e\u305e\u3044\u3066\u306f\u3001cgroup\u306e\u30e1\u30e2\u30ea\u306f\u56de\u53ce\u3055\u308c\u306a\u3044
\n\u8aad\u307f\u66f8\u304d
\n0<\/p>\n
memory.high
\ncgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u30e1\u30e2\u30ea\u56de\u53ce\u306e\u5727\u529b\u304c\u304b\u304b\u308b\u3002OOM Killer\u304c\u547c\u3070\u308c\u308b\u3053\u3068\u306f\u306a\u3044
\n\u8aad\u307f\u66f8\u304d
\nmax<\/p>\n
memory.max
\ncgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u3067\u3001\u6e1b\u3089\u305b\u306a\u3044\u5834\u5408\u306fcgroup\u306b\u5bfe\u3057\u3066OOM Killer\u304c\u547c\u3070\u308c\u308b
\n\u8aad\u307f\u66f8\u304d
\nmax<\/p>\n
memory.swap.max
\n\u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u91cf\u306e\u5236\u9650\u5024\u3002cgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u306e\u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u91cf\u304c\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u305d\u308c\u4ee5\u4e0a\u306f\u30b9\u30ef\u30c3\u30d7\u30a2\u30a6\u30c8\u3057\u306a\u3044
\n\u8aad\u307f\u66f8\u304d
\nmax<\/p>\n
memory.swap.high
\n\u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u3092\u7d5e\u308b\u5236\u9650\u5024\u3002cgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u306e\u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u91cf\u304c\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u30b9\u30ef\u30c3\u30d7\u30a2\u30a6\u30c8\u3092\u53ef\u80fd\u306a\u9650\u308a\u7d5e\u308b
\n\u8aad\u307f\u66f8\u304d
\nmax<\/p>\n
memory.reclaim
\n\u3053\u306e\u66f8\u304d\u8fbc\u3093\u3060\u30d0\u30a4\u30c8\u6570\u5206\u3001\u30e1\u30e2\u30ea\u3092\u56de\u53ce\u3059\u308b
\n\u66f8\u304d\u8fbc\u307f
\n\u30fc<\/p>\n
memory.peak
\ncgroup\u4f5c\u6210\u4ee5\u964d\u306e\u81ea\u8eab\u3068\u305d\u306e\u5b50\u5b6b\u304c\u4f7f\u3063\u305f\u6700\u5927\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf
\n\u8aad\u307f\u53d6\u308a
\n\u30fc<\/p>\n
memory.oom.group
\nOOM Killer\u304c\u547c\u3070\u308c\u308b\u3068\u304d\u3001cgroup\u5185\u3068\u5b50\u5b6b\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u307e\u3068\u3081\u3066\u6271\u3046\u304b\u3001\u6271\u308f\u306a\u3044\u304b
\n\u8aad\u307f\u66f8\u304d
\n0<\/p>\n
memory.events
\ncgroup\u3068\u305d\u306e\u5b50\u5b6b\u306ecgroup\u3067\u8d77\u3053\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u6570
\n\u8aad\u307f\u53d6\u308a
\n\u30fc<\/p>\n
memory.stat
\n\u73fe\u5728\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u306e\u72b6\u6cc1\u3092\u30e1\u30e2\u30ea\u30bf\u30a4\u30d7\u3054\u3068\u306b\u8868\u793a
\n\u8aad\u307f\u53d6\u308a
\n\u30fc<\/p>\n
\u305d\u308c\u3067\u306f\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u5b9f\u884c\u4f8b\u306f\u3001Ubuntu 22.04\u3067\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77<\/p>\n
\u3053\u3053\u307e\u3067\u3082\u8aac\u660e\u3057\u305f\u901a\u308a\u3001cgroup v2\u304b\u3089\u306f\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u306f\u3001\u88681\u306e\u3068\u304a\u308amemory.min\u3068memory.low\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002memory.low\u306f\u3001cgroup v2\u304cstable\u306b\u306a\u3063\u305f4.5\u30ab\u30fc\u30cd\u30eb\u306e\u6642\u70b9\u3067\u4f7f\u3048\u307e\u3057\u305f\u3002\u4e00\u65b9\u3067\u3001memory.min\u306f4.18\u30ab\u30fc\u30cd\u30eb\u3067\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u306e2\u3064\u306e\u9055\u3044\u306f\u3001memory.max\u3068memory.high\u306e\u9055\u3044\u3068\u540c\u3058\u3067\u3001OOM Killer\u304c\u767a\u52d5\u3059\u308b\u304b\u3057\u306a\u3044\u304b\u3067\u3059\u3002<\/p>\n
cgroup\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u306f\u3001memory.min\u3068memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u5c11\u306a\u3051\u308c\u3070\u56de\u53ce\u3055\u308c\u307e\u305b\u3093\u3002\u3082\u3057\u3001memory.min\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u56de\u53ce\u3067\u304d\u308b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306fOOM Killer\u304c\u547c\u3070\u308c\u307e\u3059\u3002memory.low\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001OOM Killer\u306f\u547c\u3070\u308c\u307e\u305b\u3093\u3002<\/p>\n
\u3082\u3057\u3001memory.min\u3084memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304f\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3001\u30e1\u30e2\u30ea\u8ca0\u8377\u304c\u9ad8\u307e\u308a\u3001\u30e1\u30e2\u30ea\u3092\u56de\u53ce\u3059\u308b\u5727\u529b\u304c\u304b\u304b\u308b\u3068\u3001\u8d85\u904e\u3057\u3066\u3044\u308b\u5206\u306b\u5fdc\u3058\u3066\u56de\u53ce\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u591a\u304f\u8d85\u904e\u3057\u3066\u3044\u308b\u307b\u3069\u5727\u529b\u304c\u304b\u304b\u3063\u3066\u56de\u53ce\u3055\u308c\u3001\u5c11\u306a\u304f\u8d85\u904e\u3057\u3066\u3044\u308b\u3068\u3001\u305d\u306e\u5206\u3001\u5727\u529b\u306f\u8efd\u6e1b\u3055\u308c\u307e\u3059[1]\u3002<\/p>\n
[1] \u30e1\u30e2\u30ea\u306e\u56de\u53ce\u51e6\u7406\u306b\u3064\u3044\u3066\u306f\u524d\u56de\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u8a2d\u5b9a\u5024\u306f\u3001cgroup\u30c4\u30ea\u30fc\u306e\u5b50\u5b6b\u306b\u307e\u3067\u5f71\u97ff\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u81ea\u5206\u3088\u308a\u4e0a\u4f4d\u306ecgroup\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u4e0a\u4f4d\u306ecgroup\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5024\u3084\u6d88\u8cbb\u3057\u3066\u3044\u308b\u30e1\u30e2\u30ea\u91cf\u306b\u3088\u3063\u3066\u5236\u9650\u3092\u53d7\u3051\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306b\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u50cd\u304f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u5b9f\u884c\u4f8b\u3067\u306f\u3001\u30e1\u30e2\u30ea\u30922GB\u642d\u8f09\u3057\u305f\u30db\u30b9\u30c8\u4e0a\u3067\u8a66\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u8a2d\u5b9a\u3057\u306a\u3044\u3068\u304d<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3059\u308b\u524d\u306b\u3001\u4f55\u3082\u8a2d\u5b9a\u3057\u306a\u3044\u3068\u304d\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002cgroup\u306b\u5236\u9650\u306f\u8a2d\u5b9a\u305b\u305a\u306b\u3001\u88682\u306e\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u3092\u8a2d\u5b9a\u3057\u3066stress-ng\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\u88682 \u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u5834\u5408\u306e\u52d5\u304d\u3092\u307f\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
cgroup
\n\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u8a2d\u5b9a
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
test01
\n\u8a2d\u5b9a\u306a\u3057
\n256M<\/p>\n
test02
\n\u8a2d\u5b9a\u306a\u3057
\n1700M<\/p>\n
\u307e\u305a\u306f1\u3064\u76ee\u306e\u30b7\u30a7\u30eb\u3067test01 cgroup\u3092\u4f5c\u6210\u3057\u3001\u81ea\u8eab\u3092test01\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30b7\u30a7\u30eb\u4e0a\u3067\u3001\u30e1\u30e2\u30ea\u3092256MB\u78ba\u4fdd\u3059\u308b\u3088\u3046\u306bstress-ng\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test01
\n\uff08test01 cgroup\u4f5c\u6210\uff09
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test01\/cgroup.procs
\n972
\n\uff08\u30d7\u30ed\u30bb\u30b9\u3092test01 cgroup\u306b\u767b\u9332\uff09
\n$ cat \/proc\/$$\/cgroup
\n0::\/test01
\n\uff08test01\u306b\u767b\u9332\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\uff09
\n$ stress-ng –vm 1 –vm-bytes 256M –vm-hang 0 -v
\n\uff08256MB\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u3088\u3046\u306bstress-ng\u3092\u5b9f\u884c\uff09<\/p>\n
\u305d\u3057\u3066\u3001test01\u306ecgroup.current\u306e\u5024\u3092\u76e3\u8996\u3059\u308b\u3068\u3001\u5927\u4f53\u6307\u5b9a\u3057\u305f\u3068\u304a\u308a\u306e\u5024\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u305f\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 1; done
\n0
\n0
\n0
\n266780672
\n276271104
\n276271104
\n276271104
\n276271104
\n :\uff08\u7565\uff09<\/p>\n
\u3053\u3053\u3067\u3001\u3082\u30461\u3064\u30b7\u30a7\u30eb\u3092\u958b\u304d\u3001\u3053\u3061\u3089\u306ftest01\u3068\u306f\u5225\u306ecgroup\u3078\u6240\u5c5e\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u5b9f\u884c\u4f8b\u3067\u4f7f\u3063\u3066\u3044\u308b\u30db\u30b9\u30c8\u306f\u30e1\u30e2\u30ea\u30922GB\u6301\u3063\u305f\u30db\u30b9\u30c8\u3067\u3059\u306e\u3067\u3001\u591a\u3081\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u3088\u3046\u306b1700MB\u3092\u78ba\u4fdd\u3059\u308b\u3088\u3046\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u3001\u306a\u308b\u3079\u304f\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306bstress-ng\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u307e\u3059\u3002\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u30b9\u30ef\u30c3\u30d7\u306b\u66f8\u304d\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u306b\u66f8\u304d\u623b\u3059\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test02
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test02\/cgroup.procs
\n1028
\n$ cat \/proc\/$$\/cgroup
\n0::\/test02
\n$ stress-ng –vm 1 –vm-bytes 1700M –page-in –vm-hang 0 -v
\n\uff081700MB\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3001\u30b9\u30ef\u30c3\u30d7\u306b\u66f8\u304d\u51fa\u3055\u308c\u305f\u30e1\u30e2\u30ea\u3092\u66f8\u304d\u623b\u3059\u6307\u5b9a\u3067stress-ng\u3092\u5b9f\u884c\uff09<\/p>\n
\u3059\u308b\u3068\u3001test02 cgroup\u306b\u6240\u5c5e\u3059\u308bstress-ng\u30b3\u30de\u30f3\u30c9\u304c\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3088\u3046\u3068\u3057\u3066\u3001test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u304c\u6e1b\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 1; done
\n :\uff08\u7565\uff09
\n276332544
\n247586816
\n219856896
\n151453696
\n136445952
\n116088832
\n73453568
\n71491584
\n71491584
\n71491584
\n :\uff08\u7565\uff09<\/p>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001test01\u306b\u6240\u5c5e\u3059\u308bstress-ng\u30b3\u30de\u30f3\u30c9\u306f70MB\u307b\u3069\u306e\u6d88\u8cbb\u306b\u843d\u3061\u7740\u3044\u3066\u3044\u307e\u3059\u3002\u78ba\u4fdd\u3067\u304d\u3066\u3044\u306a\u3044\u5206\u306f\u30b9\u30ef\u30c3\u30d7\u3078\u66f8\u304d\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u307e\u3067\u306e\u52d5\u304d\u3092\u56f3\u3067\u8aac\u660e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u56f31 \u30e1\u30e2\u30ea\u4fdd\u8a3c\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408
\n<\/p>\n
\u56f31\u3067\u3001\u2460\u306e\u3088\u3046\u306btest01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u8d77\u52d5\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u306b\u3001\u2461\u306e\u3088\u3046\u306b\u30e1\u30e2\u30ea\u3092\u5927\u91cf\u306b\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304ctest01 cgroup\u4ee5\u5916\u3067\u8d77\u52d5\u3059\u308b\u3068\u3001test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u8cbb\u3057\u3066\u3044\u308b\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u3001\u30b9\u30ef\u30c3\u30d7\u306b\u66f8\u304d\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u3059\u308b\u3068\u3001\u2462\u306e\u3088\u3046\u306btest01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u4f7f\u3048\u308b\u30e1\u30e2\u30ea\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u304c\u51fa\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u4ed6\u306ecgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u3068\u3001\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b9f\u884c\u306b\u6700\u4f4e\u9650\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u3092cgroup\u306b\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
\u305d\u3053\u3067\u3001memory.min\u3084memory.low\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
memory.low<\/p>\n
\u307e\u305a\u306f\u3001cgroup v2\u5c0e\u5165\u5f53\u521d\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u305fmemory.low\u304b\u3089\u52d5\u304d\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3067\u304d\u308b\u5834\u5408<\/p>\n
\u307e\u305a\u306f\u3001memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u304d\u3061\u3093\u3068\u52b9\u304f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u88683 \u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3067\u304d\u308b\u5834\u5408\u306ememory.low\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
cgroup
\nmemory.low\u306e\u5024
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
test01
\n128M
\n256M<\/p>\n
test02
\n\u8a2d\u5b9a\u306a\u3057
\n1700M<\/p>\n
\u88683\u306e\u3088\u3046\u306b\u3001cgroup\u3067\u8a2d\u5b9a\u3057\u305fmemory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u3081\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u72b6\u614b\u3067\u3001\u5225\u306b\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044cgroup\u306b\u5c5e\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002<\/p>\n
test01 cgroup\u3092\u4f5c\u6210\u3057\u3001memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304fstress-ng\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test01
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test01\/cgroup.procs
\n996
\n$ echo 128M | sudo tee \/sys\/fs\/cgroup\/test01\/memory.low
\n128M
\n$ stress-ng –vm 1 –vm-bytes 256M –vm-hang 0 -v<\/p>\n
\u3053\u3053\u3067\u3001\u5225\u306btest02 cgroup\u3092\u4f5c\u6210\u3057\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u306f\u8a2d\u5b9a\u3057\u306a\u3044\u72b6\u614b\u3067\u5927\u91cf\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u5148\u306e\u5b9f\u884c\u4f8b\u3068\u540c\u69d8\u306b\u3001\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u3088\u3046\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test02
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test02\/cgroup.procs
\n1038
\n$ stress-ng –vm 1 –vm-bytes 1700M –vm-hang 0 –page-in -v<\/p>\n
test01 cgroup\u306ememory.current\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 2; done
\n :\uff08\u7565\uff09
\n276557824
\n276557824
\n :\uff08\u7565\uff09
\n152498176
\n150106112
\n144891904
\n :\uff08\u7565\uff09
\n140783616
\n140783616
\n :\uff08\u7565\uff09<\/p>\n
\u4ed6\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u8d77\u52d5\u3057\u305f\u305f\u3081\u3001\u305d\u3061\u3089\u306b\u30e1\u30e2\u30ea\u304c\u5272\u308a\u3042\u305f\u308a\u3001\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u3001test01\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u91cf\u304c\u6e1b\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3057\u304b\u3057\u3001\u30e1\u30e2\u30ea\u306f\u56de\u53ce\u3055\u308c\u305f\u3082\u306e\u306e\u4fdd\u8a3c\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u4fdd\u8a3c\u5024\u4ee5\u4e0b\u306b\u306a\u308b\u307b\u3069\u306b\u306f\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001test02 cgroup\u306ememory.current\u306f\u6b21\u306e\u3088\u3046\u306b\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test02\/memory.current ; sleep 2; done
\n1693544448
\n1701314560
\n1702375424
\n :\uff08\u7565\uff09
\n1694265344
\n1694265344
\n :\uff08\u7565\uff09
\n1556148224
\n1556148224
\n :\uff08\u7565\uff09<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u3055\u308c\u3066\u3044\u306a\u3044cgroup\u306b\u5c5e\u3059\u308bstress-ng\u306f\u3001\u6307\u5b9a\u3057\u305f1700MB\u306e\u30e1\u30e2\u30ea\u306b\u5230\u9054\u3059\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u6291\u3048\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u307e\u3067\u306e\u52d5\u304d\u3092\u56f32\u3067\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\u56f32 memory.low\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408
\n![\"memory.low\"](\"https:\/\/www.wacoca.com\/news\/wp-content\/uploads\/2024\/12\/1735083553_921_002.png\")
<\/p>\n
\u56f32\u3067\u3001\u2460\u306e\u3088\u3046\u306bmemory.low\u3092\u8a2d\u5b9a\u3057\u3066\u3001test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u5f8c\u3001\u2461\u3067test02 cgroup\u306b\u6240\u5c5e\u3059\u308b\u5927\u91cf\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u8d77\u52d5\u3057\u3066\u3082\u3001\u2462\u306e\u3088\u3046\u306bmemory.min\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u307e\u3067\u306ftest01 cgroup\u306b\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3055\u308c\u305f\u72b6\u614b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u5404cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u4f7f\u7528\u3059\u308b\u30e1\u30e2\u30ea\u306e\u3046\u3061\u3001\u30e1\u30e2\u30ea\u304c\u4f7f\u3048\u306a\u3044\u5206\u306f\u30b9\u30ef\u30c3\u30d7\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408<\/p>\n
\u6b21\u306b\u3001test01\u3060\u3051\u3067\u306a\u304ftest02 cgroup\u306b\u3082memory.low\u3092\u8a2d\u5b9a\u3057\u3066\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304f\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n
\u88684 \u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306ememory.low\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
cgroup
\nmemory.low\u306e\u5024
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
test01
\n128M
\n256M<\/p>\n
test02
\n1700M
\n1700M<\/p>\n
\u88684\u306e\u3088\u3046\u306b\u3001\u7247\u65b9\u306ecgroup\u3067\u306f\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u3081\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u72b6\u614b\u3067\u3001\u5225\u306ecgroup\u3067memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3068\u540c\u3058\u3060\u3051\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u3001\u5b9f\u884c\u3057\u3066\u3044\u308b\u74b0\u5883\u306f2GB\u3057\u304b\u30e1\u30e2\u30ea\u3092\u642d\u8f09\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u3053\u306e\u3088\u3046\u306b\u5b9f\u884c\u3059\u308b\u3068\u642d\u8f09\u4ee5\u4e0a\u306e\u30e1\u30e2\u30ea\u3092\u4fdd\u8b77\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059[2]\u3002<\/p>\n
[2] 128+1700MB\u306f2GB\u3092\u8d85\u3048\u307e\u305b\u3093\u304c\u3001OS\u304c\u8d77\u52d5\u3057\u305f\u3060\u3051\u3067\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u304c\u3042\u308b\u306e\u3067\u3001\u30c8\u30fc\u30bf\u30eb\u30672GB\u3092\u8d85\u3048\u307e\u3059\u3002<\/p>\n
test01 cgroup\u3092\u4f5c\u6210\u3057\u3001memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304fstress-ng\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u307e\u3067\u3068\u540c\u69d8\u306b\u306a\u308b\u3079\u304f\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u3088\u3046\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test01
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test01\/cgroup.procs
\n957
\n$ echo 128M | sudo tee \/sys\/fs\/cgroup\/test01\/memory.low
\n128M
\n$ stress-ng –vm 1 –vm-bytes 256M –vm-hang 0 –page-in -v<\/p>\n
\u3053\u3053\u3067\u3001\u5225\u306etest02 cgroup\u3092\u4f5c\u6210\u3057\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3068\u540c\u3058\u5024\u3092stress-ng\u30b3\u30de\u30f3\u30c9\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u3061\u3089\u306fstress-ng\u30b3\u30de\u30f3\u30c9\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test02
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test02\/cgroup.procs
\n982
\n$ echo 1700M | sudo tee \/sys\/fs\/cgroup\/test02\/memory.low
\n1700M
\n$ stress-ng –vm 1 –vm-bytes 1700M –page-in –vm-hang 0 -v<\/p>\n
test01 cgroup\u306ememory.current\u306e\u5024\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u5909\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 2; done
\n271757312
\n271757312
\n92090368
\n92090368
\n92098560
\n92098560
\n :\uff08\u7565\uff09<\/p>\n
\u6700\u521d\u306ftest01 cgroup\u306b\u6240\u5c5e\u3059\u308bstress-ng\u30b3\u30de\u30f3\u30c9\u306f\u3001\u6307\u5b9a\u3057\u305f256MB\u7a0b\u5ea6\u306e\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u72b6\u614b\u3067test02 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u306f\u3058\u3081\u308b\u3068\u3001test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304f\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u305f\u306e\u3067\u3001\u30e1\u30e2\u30ea\u3092\u56de\u53ce\u3059\u308b\u5727\u529b\u304c\u304b\u304b\u308a\u3001\u304b\u306a\u308a\u306e\u30e1\u30e2\u30ea\u304c\u30b9\u30ef\u30c3\u30d7\u306b\u66f8\u304d\u51fa\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u6700\u7d42\u7684\u306b\u306fmemory.low\u3078\u8a2d\u5b9a\u3057\u305f\u4fdd\u8a3c\u5024\u4ee5\u4e0a\u306b\u56de\u53ce\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u3001test02 cgroup\u306ememory.current\u306e\u5024\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test02\/memory.current ; sleep 2; done
\n1782550528
\n1782550528
\n1782550528
\n1782550528
\n1782550528
\n1782550528
\n :\uff08\u7565\uff09<\/p>\n
\u3053\u3053\u307e\u3067\u306e\u52d5\u304d\u3092\u56f33\u3092\u4f7f\u3063\u3066\u8aac\u660e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u56f33 memory.low\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u3066\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408
\n![\"memory.low\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u3066\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\"](\"https:\/\/www.wacoca.com\/news\/wp-content\/uploads\/2024\/12\/1735083554_807_003.png\")
<\/p>\n
\u56f33\u3067\u3001\u2460\u306e\u3088\u3046\u306btest01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304cmemory.low\u8a2d\u5b9a\u5024\u4ee5\u4e0a\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u305d\u3053\u306b\u3001test02 cgroup\u3067memory.low\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u5024\u4ee5\u4e0b\u3057\u304b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u3092\u52d5\u304b\u3059\u3068\u3001test02 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u306f\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u901a\u308a\u306b\u78ba\u4fdd\u3055\u308c\u305f\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u5024\u3088\u308a\u591a\u304f\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u305ftest01 cgroup\u306b\u30e1\u30e2\u30ea\u56de\u53ce\u5727\u529b\u304c\u304b\u304b\u308a\u3001\u2462\u306e\u3088\u3046\u306bmemory.low\u8a2d\u5b9a\u5024\u3092\u6e80\u305f\u3055\u306a\u3044\u30ec\u30d9\u30eb\u307e\u3067\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002test01 cgroup\u3067\u306fmemory.low\u306b\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u50cd\u3044\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n
\u3064\u307e\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306f\u3001memory.low\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u3066\u3082\u3001memory.low\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30e1\u30e2\u30ea\u8ca0\u8377\u304c\u9ad8\u3044\u5834\u5408\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u3001memory.low\u306b\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u3002\u56de\u53ce\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u304c\u3042\u308b\u5834\u5408\u306e\u307f\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u304c\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n
\u5b9f\u969b\u306b\u4f7f\u7528\u3067\u304d\u308b\u30e1\u30e2\u30ea\u3088\u308a\u591a\u3044\u5024\u3092memory.low\u3068\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3068\u3001OOM Killer\u306f\u767a\u52d5\u3057\u306a\u3044\u3082\u306e\u306e\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u81ea\u4f53\u52b9\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u306b\u8a2d\u5b9a\u3059\u308b\u5024\u3092\u30aa\u30fc\u30d0\u30fc\u30b3\u30df\u30c3\u30c8\u305b\u305a\u3001\u9069\u5207\u306a\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u306e\u4ed8\u5c5e\u6587\u66f8\u306b\u3082\u300c\u5229\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u3088\u308a\u3082\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u300d\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
memory.min<\/p>\n
\u3053\u3053\u307e\u3067\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001memory.low\u306f\u56de\u53ce\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u304c\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u6a5f\u80fd\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u901a\u5e38\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30e1\u30e2\u30ea\u4fdd\u8b77\u3067\u5341\u5206\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u3001memory.low\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u3067\u306f\u5f79\u306b\u7acb\u305f\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u30b9\u30ef\u30c3\u30d7\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u30014.18\u30ab\u30fc\u30cd\u30eb\u3067memory.min\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u5148\u306b\u66f8\u3044\u305f\u3088\u3046\u306b\u3001memory.min\u3068memory.low\u306e\u5dee\u306f\u3001\u3061\u3087\u3046\u3069memory.max\u3068memory.high\u306e\u95a2\u4fc2\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3067\u3059\u3001memory.min\u306fOOM Killer\u3092\u4f7f\u3044\u307e\u3059\u3002\u8db3\u308a\u306a\u3044\u30e1\u30e2\u30ea\u3092OOM Killer\u3092\u4f7f\u3063\u3066\u78ba\u4fdd\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u3001memory.min\u3092\u8a2d\u5b9a\u3057\u3066\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3067\u304d\u308b\u5834\u5408<\/p>\n
\u307e\u305a\u306f\u3001memory.min\u3092\u8a2d\u5b9a\u3057\u305f\u72b6\u614b\u3067\u3001\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3067\u304d\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
memory.min\u306e\u8a2d\u5b9a\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u4e0e\u3048\u308b\u5024\u306f\u88685\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u88685 \u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3067\u304d\u308b\u5834\u5408\u306ememory.min\u306e\u52d5\u304d\u3092\u898b\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
cgroup
\nmemory.min\u306e\u5024
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
test01
\n128M
\n256M<\/p>\n
test02
\n\u8a2d\u5b9a\u306a\u3057
\n1700M<\/p>\n
\u88685\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3001\u3053\u3053\u307e\u3067\u306e\u5b9f\u884c\u4f8b\u3068\u540c\u69d8\u306btest01 cgroup\u3067stress-ng\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test01
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test01\/cgroup.procs
\n961
\n$ echo 128M | sudo tee \/sys\/fs\/cgroup\/test01\/memory.min
\n128M
\n$ stress-ng –vm 1 –vm-bytes 256M –vm-hang 0 -v<\/p>\n
\u3053\u306e\u72b6\u614b\u3067\u3001\u3053\u3053\u307e\u3067\u306e\u5b9f\u884c\u4f8b\u3068\u540c\u3058\u3088\u3046\u306b\u3001test02 cgroup\u306b\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u5927\u91cf\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u307e\u3059\u3002\u3053\u3053\u3067\u3082\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306bstress-ng\u30b3\u30de\u30f3\u30c9\u306b\u306f–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
$ stress-ng –vm 1 –vm-bytes 1700M –page-in –vm-hang 0 -v<\/p>\n
\u3059\u308b\u3068test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3001\u3055\u304d\u307b\u3069\u306ememory.min\u3092\u8a2d\u5b9a\u3057\u306a\u304b\u3063\u305f\u3068\u304d\u306e\u3088\u3046\u306b\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u5c11\u306a\u304f\u306a\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u3042\u308b\u7a0b\u5ea6\u3001\u8a2d\u5b9a\u5024\u3068\u8fd1\u3044\u5024\u3078\u843d\u3061\u7740\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
memory.low\u306e\u3068\u304d\u3068\u540c\u3058\u3088\u3046\u306a\u52d5\u304d\u3067\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 1; done
\n :\uff08\u7565\uff09
\n276545536
\n276545536
\n274292736
\n273383424
\n254242816
\n223477760
\n :\uff08\u7565\uff09
\n184053760
\n184053760
\n184053760
\n184053760
\n :\uff08\u7565\uff09<\/p>\n
\u56f34 memory.min\u3092\u8a2d\u5b9a\u3057\u305f\u5834\u5408
\n![\"memory.min\"](\"https:\/\/www.wacoca.com\/news\/wp-content\/uploads\/2024\/12\/1735083555_924_004.png\")
<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u56f34\u306e\u3088\u3046\u306bmemory.low\u306e\u3068\u304d\u306e\u56f32\u3068\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3064\u307e\u308a\u3001\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3067\u304d\u308b\u5834\u5408\u3001memory.low\u3068memory.min\u3067\u52d5\u304d\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408<\/p>\n
\u305d\u308c\u3067\u306f\u3001memory.min\u3092\u8a2d\u5b9a\u3057\u305f\u72b6\u614b\u3067\u3001\u56de\u53ce\u3067\u304d\u308b\u30e1\u30e2\u30ea\u304c\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046? \u305d\u308c\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
test01\u3001test02 \u3068\u3044\u30462\u3064\u306ecgroup\u3092\u4f5c\u6210\u3057\u3001\u88686\u306e\u3088\u3046\u306b\u305d\u308c\u305e\u308c\u306bmemory.min\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u305d\u3057\u3066\u3001\u642d\u8f09\u3057\u3066\u3044\u308b\u91cf\u3088\u308a\u5927\u304d\u306a\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3055\u305b\u308b\u3088\u3046\u306b\u3001\u305d\u308c\u305e\u308c\u306ecgroup\u306b\u6240\u5c5e\u3059\u308bstress-ng\u30d7\u30ed\u30b0\u30e9\u30e0\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\u88686 \u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306ememory.min\u306e\u52d5\u304d\u3092\u898b\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3068\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
cgroup
\nmemory.min\u306e\u5024
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d88\u8cbb\u30e1\u30e2\u30ea<\/p>\n
test01
\n128M
\n256M<\/p>\n
test02
\n1700M
\n1700M<\/p>\n
test01 cgroup\u3067\u306f\u6b21\u306e\u3088\u3046\u306bstress-ng\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u3068\u540c\u69d8\u3001\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u3088\u3046\u306b–page-in\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test01
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test01\/cgroup.procs
\n986
\n$ echo 128M | sudo tee \/sys\/fs\/cgroup\/test01\/memory.min
\n128M
\n$ stress-ng –vm 1 –vm-bytes 256M –vm-hang 0 –page-in -v<\/p>\n
\u3053\u3053\u3067\u3001test02 cgroup\u3067stress-ng\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306bOOM Killer\u304c\u767a\u52d5\u3057\u307e\u3059\u3002<\/p>\n
$ sudo mkdir \/sys\/fs\/cgroup\/test02
\n$ echo $$ | sudo tee \/sys\/fs\/cgroup\/test02\/cgroup.procs
\n1043
\n$ echo 1700M | sudo tee \/sys\/fs\/cgroup\/test02\/memory.min
\n1700M
\n$ stress-ng –vm 1 –vm-bytes 1700M –vm-hang 0 -v
\nstress-ng: debug: [3608] stress-ng-vm: child died: signal 9 ‘SIGKILL’ (instance 0)
\nstress-ng: debug: [3608] stress-ng-vm: assuming killed by OOM killer, restarting again (instance 0)<\/p>\n
test01 cgroup\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u307b\u307cmemory.min\u306e\u8a2d\u5b9a\u901a\u308a\u306b\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test01\/memory.current ; sleep 2; done
\n :\uff08\u7565\uff09
\n269770752
\n269770752
\n269770752
\n134221824
\n134217728
\n134217728
\n :\uff08\u7565\uff09<\/p>\n
\u4e00\u65b9\u3067\u3001test02 cgroup\u306e\u307b\u3046\u306f\u3001OOM Killer\u306b\u3088\u308a\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u5f37\u5236\u7684\u306b\u6291\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
$ while : ; do cat \/sys\/fs\/cgroup\/test02\/memory.current ; sleep 2; done
\n :\uff08\u7565\uff09
\n1462009856
\n704868352
\n19591168
\n1182564352
\n78434304
\n :\uff08\u7565\uff09<\/p>\n
\u3053\u306e\u3068\u304d\u3001dmesg\u3067\u3082\u6b21\u306e\u3088\u3046\u306bOOM Killer\u304c\u767a\u52d5\u3055\u308c\u305f\u3053\u3068\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
[ 216.682968] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=test02,mems_allowed=0,global_oom,task_memcg=\/test02,task=stress-ng,pid=1236,uid=1001
\n[ 216.682979] Out of memory: Killed process 1236 (stress-ng) total-vm:1796844kB, anon-rss:1684292kB, file-rss:880kB, shmem-rss:44kB, UID:1001 pgtables:3488kB o
\nom_score_adj:1000<\/p>\n
\u3053\u3053\u307e\u3067\u3067\u8a66\u3057\u305f\u52d5\u304d\u306f\u3001\u56f35\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u56f35 \u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u306ememory.min\u306e\u52d5\u304d
\n![\"memory.min\u3068oom_killer\"](\"https:\/\/www.wacoca.com\/news\/wp-content\/uploads\/2024\/12\/1735083556_691_005.png\")
<\/p>\n
\u56f35\u3067\u3082\u56f34\u3068\u540c\u69d8\u306b\u3001\u2460\u3067memory.min\u3092\u8a2d\u5b9a\u3057\u3066\u3001test01 cgroup\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u305d\u306e\u5f8c\u3001\u2461\u3067test02 cgroup\u306b\u3082memory.min\u3092\u8a2d\u5b9a\u3057\u3001memory.min\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3068\u540c\u3058\u5024\u3067\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u307e\u3057\u305f\u3002<\/p>\n
test01 cgroup\u306b\u6240\u5c5e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306fmemory.min\u4ee5\u4e0a\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3001test02 cgroup\u3067\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3059\u308b\u3068\u3001memory.min\u4ee5\u4e0a\u306e\u30e1\u30e2\u30ea\u306f\u56de\u53ce\u3055\u308c\u3001\u30b9\u30ef\u30c3\u30d7\u306b\u66f8\u304d\u51fa\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
\u3057\u304b\u3057\u3001\u305d\u308c\u3067\u3082test02 cgroup\u3067memory.min\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u2462\u306e\u3088\u3046\u306bOOM Killer\u304c\u767a\u52d5\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u3002<\/p>\n
memory.low\u3068\u9055\u3044\u3001OOM Killer\u306b\u3088\u308a\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u8a2d\u5b9a\u3092\u89e3\u6c7a\u3057\u3088\u3046\u3068\u3059\u308bmemory.min\u306e\u52d5\u304d\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
dmesg\u51fa\u529b\u306e1\u884c\u76ee\u3092\u898b\u3066\u307f\u308b\u3068\u3001global_oom\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u3042\u308a\u307e\u3059\u3002memory.min\u304c\u8d77\u56e0\u3068\u306a\u308bOOM Killer\u306f\u3001cgroup\u306b\u5bfe\u3059\u308bOOM Killer\u3067\u306f\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u5bfe\u3059\u308bOOM Kiler\u304c\u767a\u52d5\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306bmemory.min\u3067\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u3092\u4fdd\u8b77\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u30e1\u30e2\u30ea\u304c\u8db3\u308a\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306e\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306eOOM Killer\u304c\u767a\u52d5\u3057\u307e\u3059\u3002dmesg\u306e\u51fa\u529b\u304b\u3089\u3001\u305d\u306e\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001\u524d\u56de\u306ememory.max\u306e\u5b9f\u884c\u4f8b\u3092\u898b\u308b\u3068\u3001dmesg\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
[ 1845.108346] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=test01,mems_allowed=0,oom_memcg=\/test01,task_memcg=\/test01,task=stress-ng,pid=4797,uid=1000<\/p>\n
\u4eca\u56de\u3001OOM Killer\u6642\u306b\u51fa\u529b\u3055\u308c\u305f\u30ed\u30b0\u306eglobal_oom\u306e\u90e8\u5206\u306b\u76f8\u5f53\u3059\u308b\u6587\u5b57\u5217\u304coom_memcg\u3068\u306a\u3063\u3066\u3044\u3066\u3001\u5bfe\u8c61\u306ecgroup\u540d\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002memory.max\u306e\u5834\u5408\u306fcgroup\u5185\u306e\u30e1\u30e2\u30ea\u6d88\u8cbb\u304c\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u305f\u3081\u306bOOM Killer\u304c\u767a\u52d5\u3057\u3066\u304a\u308a\u3001cgroup\u5185\u306eOOM Killer\u304c\u767a\u52d5\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u306f\u3001\u30b9\u30ef\u30c3\u30d7\u304c\u3042\u308b\u74b0\u5883\u3092\u4f7f\u3063\u3066\u52d5\u304d\u3092\u898b\u307e\u3057\u305f\u304c\u3001\u30b9\u30ef\u30c3\u30d7\u304c\u306a\u3044\u30db\u30b9\u30c8\u4e0a\u3067\u306f\u3001OOM Killer\u3092\u4f7f\u3063\u3066\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6291\u3048\u308bmemory.min\u306e\u52d5\u304d\u306f\u3082\u3063\u3068\u91cd\u8981\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u307e\u3068\u3081<\/p>\n
\u4eca\u56de\u306f\u3001cgroup v2\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u30e1\u30e2\u30ea\u4fdd\u8a3c\u306e\u52d5\u304d\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u307e\u3068\u3081\u308b\u3068\u3001\u30e1\u30e2\u30ea\u8ca0\u8377\u304c\u9ad8\u304f\u306a\u3063\u305f\u5834\u5408\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u306f\u3001<\/p>\n
\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u3042\u308b\u5834\u5408\u306fmemory.low\u3068memory.min\u306e\u52d5\u304d\u306f\u540c\u3058
\n\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u3001memory.low\u3067\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u306f\u7121\u52b9\u306b\u306a\u308b
\n\u56de\u53ce\u3059\u308b\u30e1\u30e2\u30ea\u304c\u306a\u3044\u5834\u5408\u3001memory.min\u3067\u8a2d\u5b9a\u3057\u305f\u30e1\u30e2\u30ea\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001OOM Killer\u304c\u767a\u52d5\u3059\u308b<\/p>\n
\u3068\u3044\u3046\u52d5\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u8a2d\u5b9a\u306b\u304a\u3051\u308b\u3001memory.min\u3068memory.low\u306e\u9055\u3044\u304c\u3054\u7406\u89e3\u3044\u305f\u3060\u3051\u305f\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\u5b9f\u969b\u306b\u306f\u3001\u4eca\u56de\u8a66\u3057\u305f\u3088\u3046\u306b\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u76f4\u63a5cgroup\u3092\u64cd\u4f5c\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u3057\u304b\u3057\u3001\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306a\u3069\u3067\u30b3\u30f3\u30c6\u30ca\u306b\u5bfe\u3057\u3066\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u3067\u3082\u3001cgroup\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u306e\u52d5\u304d\u3092\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u8a2d\u8a08\u3084\u898b\u7a4d\u3082\u308a\u3092\u304d\u3063\u3061\u308a\u3068\u884c\u3063\u305f\u4e0a\u3067\u4fdd\u8a3c\u5024\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u3068\u3001OOM Killer\u304c\u547c\u3070\u308c\u3066\u30d7\u30ed\u30bb\u30b9\u304c\u5b89\u5b9a\u3057\u3066\u7a3c\u50cd\u3067\u304d\u306a\u304b\u3063\u305f\u308a\u3001\u4fdd\u8a3c\u5024\u4ee5\u4e0b\u307e\u3067\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u5b89\u5b9a\u7a3c\u50cd\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u6b21\u56de\u306f\u3001\u4eca\u56de\u7d39\u4ecb\u3067\u304d\u306a\u304b\u3063\u305f\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u968e\u5c64\u69cb\u9020\u3092\u8003\u616e\u3057\u305f\u52d5\u304d\u3084\u3001cgroup v2\u306e\u30de\u30a6\u30f3\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u3046\u3061\u3001\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u95a2\u4fc2\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7d39\u4ecb\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5c11\u3057\u524d\u306bSNS\u4e0a\u3067\u3001\u3053\u306e\u9023\u8f09\u306b\u5bfe\u3059\u308b10\u5468\u5e74\u304a\u3081\u3067\u3068\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u9023\u8f09\u306f2014\u5e745\u6708\u306b\u7b2c1\u56de\u304c\u63b2\u8f09\u3055\u308c\u3001\u4eca\u5e74\u3067\u3061\u3087\u3046\u306910\u5e74\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3044\u305f\u3060\u304f\u3068\u306f\u601d\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3068\u3066\u3082<\/p>\n","protected":false},"author":2,"featured_media":2337116,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[762827],"tags":[771202,763397,259539,771201,762834,762833,521918,162246,763396,2662,762832],"class_list":{"0":"post-2337115","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science-technology","8":"tag-cgroup","9":"tag-gihyo-jp","10":"tag-linux","11":"tag-lxc","12":"tag-science-technology","13":"tag-science-news","14":"tag-technology-news","15":"tag-162246","16":"tag-763396","17":"tag-2662","18":"tag-762832"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts\/2337115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/comments?post=2337115"}],"version-history":[{"count":0,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/posts\/2337115\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/media\/2337116"}],"wp:attachment":[{"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/media?parent=2337115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/categories?post=2337115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wacoca.com\/news\/wp-json\/wp\/v2\/tags?post=2337115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}