{"id":35550,"date":"2022-12-25T16:34:57","date_gmt":"2023-12-02T18:37:18","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/"},"modified":"2024-04-29T06:56:02","modified_gmt":"2024-04-28T22:56:02","slug":"kubernetes-%e5%92%8c-cgroup-v2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/","title":{"rendered":"Kubernetes \u548c cgroup v2"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>Kubernetes \u306f v1.25 \u3067 cgroup v2 \u30b5\u30dd\u30fc\u30c8\u3092 GA \u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u306b cgroup v2 \u306b\u95a2\u9023\u3059\u308b\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u307e\u3060\u591a\u304f\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067 Kubernetes \u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 cgroup v2 \u3092\u4f7f\u7528\u3057\u306a\u3044\u8a2d\u5b9a\u306e\u305f\u3081\u3001\u5b9f\u969b\u306b\u5229\u7528\u3057\u3066\u3044\u308b\u65b9\u306f\u591a\u304f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002PFN \u3067\u306f2022\u5e7412\u6708\u306b Kubernetes \u30d0\u30fc\u30b8\u30e7\u30f3\u3092 v1.25 \u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u306e\u3068\u540c\u3058\u30bf\u30a4\u30df\u30f3\u30b0\u3067 cgroup v2 \u306b\u5207\u308a\u66ff\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd Kubernetes \u7684 cgroup v2 \u529f\u80fd\uff0c\u5305\u62ec MemoryQoS \u529f\u80fd\u548c memory.oom.group \u529f\u80fd\u3002\u6211\u4eec\u4f1a\u5206\u4eab\u8fd9\u4e24\u4e2a\u529f\u80fd\u7684\u6982\u8ff0\u548c\u95ee\u9898\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u662f\u57fa\u4e8e Kubernetes v1.28 \u7684\u3002<\/p>\n<h2>\u5173\u4e8ecgroup v2\u672c\u8d28\u4e0a\u8bf4<\/h2>\n<p>\u6700\u521d\u306b\u3001cgroup v2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u308bKubernetes\u306e\u30d6\u30ed\u30b0\u30a8\u30f3\u30c8\u30ea\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u7c21\u5358\u306b\u6982\u8981\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">Kubernetes 1.25: cgroup v2 graduates to GA | Kubernetes<\/ul>\n<p>cgroup \u662f Linux \u5185\u6838\u7684\u8d44\u6e90\u7ba1\u7406\u529f\u80fd\uff0c\u53ef\u4ee5\u9650\u5236\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684 CPU \u548c\u5185\u5b58\u4f7f\u7528\u7b49\u3002Docker \u4ece\u6700\u521d\u53d1\u5e03\u8d77\u5c31\u4f7f\u7528 cgroup \u6765\u9650\u5236\u5bb9\u5668\u7684\u8d44\u6e90\uff0c\u5e76\u4e14\u5728 Kubernetes \u4e2d\u4f7f\u7528\u5bb9\u5668\u7684\u81ea\u7136\u4e5f\u540c\u6837\u5982\u6b64\u3002Kubernetes \u4f7f\u7528 cgroup \u6765\u5b9e\u73b0\u8d44\u6e90\u7ba1\u7406\u529f\u80fd\uff0c\u4f8b\u5982 Pod \u7684\u8d44\u6e90\u9700\u6c42\u548c\u9650\u5236\u3002<\/p>\n<p>cgroup v2\u662fcgroup API\u7684\u6700\u65b0\u7248\u672c\uff0c\u5177\u6709\u66f4\u5f3a\u5927\u7684\u8d44\u6e90\u7ba1\u7406\u529f\u80fd\uff08\u5c3d\u7ba1\u4ece2016\u5e74\u5f00\u59cb\u63d0\u4f9b\uff09\u3002\u5982\u679cKubernetes\u5728\u4f7f\u7528\u7684\u8282\u70b9\u4e0a\u53ea\u542f\u7528\u4e86cgroup v2\uff0c\u90a3\u4e48\u5b83\u5c06\u63d0\u4f9b\u57fa\u4e8e\u8be5\u589e\u5f3a\u8d44\u6e90\u7ba1\u7406\u529f\u80fd\u7684\u529f\u80fd\u3002<\/p>\n<div>\n<p>\u624b\u5143\u306e\u30ce\u30fc\u30c9\u3067 Kubernetes \u304c cgroup v2 \u3092\u4f7f\u7528\u3057\u3066\u304f\u308c\u308b\u304b\u3092\u77e5\u308b\u306b\u306f<br \/>\n\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n$ stat -fc %T \/sys\/fs\/cgroup\/<br \/>\ncgroup2fs<\/p>\n<p>tmpfs \u3068\u51fa\u529b\u3055\u308c\u305f\u5834\u5408\u306f cgroup v1 \u304c\u6709\u52b9\u3067\u3059\u3002v2 \u3078\u306e\u5207\u308a\u66ff\u3048\u65b9\u6cd5\u306f\u4e0a\u8a18\u306e Kubernetes blog \u30a8\u30f3\u30c8\u30ea\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<h2>MemoryQoS \u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8<\/h2>\n<p>1\u3064\u76ee\u304c MemoryQoS \u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8\u3067\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u540d\u524d\u306e\u3068\u304a\u308a\u30e1\u30e2\u30ea\u306b\u5bfe\u3057\u3066 QoS (Quolity-of-Service) \u3092\u5c0e\u5165\u3057\u3066\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8\u306f v1.28 \u6642\u70b9\u3067\u30a2\u30eb\u30d5\u30a1\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067 Pod \u306e\u30e1\u30e2\u30ea\u30ea\u30bd\u30fc\u30b9\u5236\u5fa1\u306f limits.memory \u3067\u4f7f\u7528\u3067\u304d\u308b\u30e1\u30e2\u30ea\u91cf\u306e\u4e0a\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u307f\u3067\u3001\u4e0a\u9650\u3092\u8d85\u3048\u308b\u3068 OOM \u304c\u767a\u751f\u3059\u308b\u3060\u3051\u3067\u3057\u305f\u3002\u3053\u306e\u4e0a\u9650\u306e\u5236\u5fa1\u306b\u306f cgroup memory.max \u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002Pod requests.memory \u306f\u3068\u3044\u3046\u3068\u3001\u4e3b\u306b Pod \u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3059\u308b\u30ce\u30fc\u30c9\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3066\u3044\u3066\u30ea\u30bd\u30fc\u30b9\u5236\u5fa1\u306b\u306f\u4f7f\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u5728cgroup v2\u4e2d\uff0c\u9664\u4e86\u4f7f\u7528memory.max\u6765\u9650\u5236\u5185\u5b58\u5916\uff0c\u8fd8\u6dfb\u52a0\u4e86memory.min\u548cmemory.high\u6765\u8fdb\u884c\u9650\u5236\u3002<\/p>\n<p>memory.min: Pod \u306e\u30e1\u30e2\u30ea\u8981\u6c42 (requests.memory) \u3068\u540c\u3058\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u5024\u306e\u30e1\u30e2\u30ea\u304c\u4fdd\u8b77\u3055\u308c\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u30e1\u30e2\u30ea (page cache) \u3092\u56de\u53ce\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u306b\u3082\u5bfe\u8c61\u306b\u306a\u3089\u305a\u3001\u4fdd\u8b77\u3055\u308c\u3066\u304a\u3089\u305a\u56de\u53ce\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u304c\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b OOM Killer \u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3002<\/p>\n<p>memory.high: Pod \u306e\u30e1\u30e2\u30ea\u5236\u9650 (limits.memory) \u306e90%\u306e\u5024\u304c\u8a2d\u5b9a\u3055\u308c\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u3001\u3053\u308c\u306b\u9054\u3059\u308b\u3068\u30b7\u30b9\u30c6\u30e0\u304c\u30e1\u30e2\u30ea\u3092\u3067\u304d\u308b\u9650\u308a\u56de\u53ce\u3057\u3088\u3046\u3068\u3059\u308b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d238e37434c4406c2b309\/14-0.svg\" alt=\"MemoryQoS \u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8\" \/><\/div>\n<ul class=\"post-ul\">Quality-of-Service for Memory Resources | Kubernetes<\/ul>\n<p>\u4ee5\u4e0b\u7684\u56fe\u8868\u5c55\u793a\u7684\u662f\u5728\u8fd9\u4e2a\u529f\u80fd\u6709\u6548\u7684\u96c6\u7fa4\u4e2d\uff0cPod \u589e\u52a0\u4e86 page cache \u7684\u4f7f\u7528\u91cf\uff0c\u76f4\u5230\u8fbe\u5230 memory.high \u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u770b\u51fa\u5b83\u88ab\u9650\u5236\u5728\u4e0a\u9650\uff08Limits\uff09\u768490%\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d238e37434c4406c2b309\/17-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u9898\u76ee\uff1a\u5982\u679c\u8bf7\u6c42\u7684\u5185\u5b58\u7b49\u4e8e\u9650\u5236\u7684\u5185\u5b58<\/h3>\n<p>\u542f\u7528MemoryQoS\u529f\u80fd\u540e\uff0c\u53ef\u4ee5\u671f\u671b\u8bf7\u6c42\u7684\u5185\u5b58\u53d7\u5230\u4fdd\u62a4\uff0c\u4ece\u800c\u4f7f\u5de5\u4f5c\u8d1f\u8f7d\u66f4\u7a33\u5b9a\u3002\u7136\u800c\uff0c\u5982\u679cPod\u7684\u5185\u5b58\u8bf7\u6c42\uff08requests.memory\uff09\u548c\u9650\u5236\uff08limits.memory\uff09\u88ab\u8bbe\u7f6e\u4e3a\u76f8\u540c\u7684\u503c\uff0c\u90a3\u4e48\u5de5\u4f5c\u8d1f\u8f7d\u6709\u53ef\u80fd\u7ecf\u5e38\u9047\u5230OOM\u9519\u8bef\u3002<\/p>\n<p>\u3053\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8\u304c\u6709\u52b9\u306a\u5834\u5408\u3001\u5148\u306b\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u30e1\u30e2\u30ea\u8981\u6c42\u3068\u540c\u3058\u5024\u304c cgroup memory.min \u306b\u8a2d\u5b9a\u3055\u308c\u308b\u3053\u3068\u3067\u8981\u6c42\u3057\u305f\u30e1\u30e2\u30ea\u304c\u4fdd\u8b77\u3055\u308c\u308b\u305f\u3081\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u56de\u53ce\u3055\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u307e\u307e\u56de\u53ce\u3055\u308c\u305a\u306b\u5236\u9650 (cgroup memory.max) \u306b\u9054\u3057\u3066\u3057\u307e\u3046\u3068 OOM \u306b\u306a\u3063\u3066\u3057\u307e\u3044\u305d\u3046\u3067\u3059\u304c\u3001\u4f7f\u7528\u91cf\u304c\u5236\u9650\u306e90%\u306b\u9054\u3059\u308b\u3068 cgroup v2 memory.high \u306b\u3088\u308a\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u308b\u305f\u3081 OOM \u306b\u306a\u3089\u305a\u306b\u6e08\u307f\u307e\u3059\u3002\u3057\u304b\u3057\u3001Kubernetes v1.28 \u6642\u70b9\u3067\u30e1\u30e2\u30ea\u8981\u6c42\u3068\u5236\u9650\u306b\u540c\u3058\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b memory.high \u304c\u8a2d\u5b9a\u3055\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u30e1\u30e2\u30ea\u304c\u56de\u53ce\u3055\u308c\u305a\u306b\u305d\u306e\u307e\u307e OOM \u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002KEP \u306b\u4e0b\u8a18\u306e\u8a18\u8ff0\u304c\u3042\u308a\u4ed5\u69d8\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<blockquote><p>If container sets limits.memory, we set memory.high=pod.spec.containers[i].resources.limits[memory] * memory throttling factor for container level cgroup if memory.high&gt;memory.min<\/p><\/blockquote>\n<pre class=\"post-pre\"><code>\t\t<span class=\"c\">\/\/ Guaranteed pods by their QoS definition requires that memory request equals memory limit and cpu request must equal cpu limit.<\/span>\r\n\t\t<span class=\"c\">\/\/ Here, we only check from memory perspective. Hence MemoryQoS feature is disabled on those QoS pods by not setting memory.high.<\/span>\r\n\t\t<span class=\"k\">if<\/span> <span class=\"n\">memoryRequest<\/span> <span class=\"o\">!=<\/span> <span class=\"n\">memoryLimit<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"c\">\/\/ The formula for memory.high for container cgroup is modified in Alpha stage of the feature in K8s v1.27.<\/span>\r\n\t\t\t<span class=\"c\">\/\/ It will be set based on formula:<\/span>\r\n\t\t\t<span class=\"c\">\/\/ `memory.high=floor[(requests.memory + memory throttling factor * (limits.memory or node allocatable memory - requests.memory))\/pageSize] * pageSize`<\/span>\r\n\t\t\t<span class=\"c\">\/\/ where default value of memory throttling factor is set to 0.9<\/span>\r\n\t\t\t<span class=\"c\">\/\/ More info: https:\/\/git.k8s.io\/enhancements\/keps\/sig-node\/2570-memory-qos<\/span>\r\n\t\t\t<span class=\"n\">memoryHigh<\/span> <span class=\"o\">:=<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">(<\/span><span class=\"m\">0<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"k\">if<\/span> <span class=\"n\">memoryLimit<\/span> <span class=\"o\">!=<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t<span class=\"n\">memoryHigh<\/span> <span class=\"o\">=<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">(<\/span><span class=\"n\">math<\/span><span class=\"o\">.<\/span><span class=\"n\">Floor<\/span><span class=\"p\">(<\/span>\r\n\t\t\t\t\t<span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryRequest<\/span><span class=\"p\">)<\/span><span class=\"o\">+<\/span>\r\n\t\t\t\t\t\t<span class=\"p\">(<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryLimit<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryRequest<\/span><span class=\"p\">))<\/span><span class=\"o\">*<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">.<\/span><span class=\"n\">memoryThrottlingFactor<\/span><span class=\"p\">))<\/span><span class=\"o\">\/<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">defaultPageSize<\/span><span class=\"p\">))<\/span> <span class=\"o\">*<\/span> <span class=\"n\">defaultPageSize<\/span>\r\n\t\t\t<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t<span class=\"n\">allocatable<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">m<\/span><span class=\"o\">.<\/span><span class=\"n\">getNodeAllocatable<\/span><span class=\"p\">()<\/span>\r\n\t\t\t\t<span class=\"n\">allocatableMemory<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">allocatable<\/span><span class=\"p\">[<\/span><span class=\"n\">v1<\/span><span class=\"o\">.<\/span><span class=\"n\">ResourceMemory<\/span><span class=\"p\">]<\/span>\r\n\t\t\t\t<span class=\"k\">if<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">allocatableMemory<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span><span class=\"p\">()<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t\t<span class=\"n\">memoryHigh<\/span> <span class=\"o\">=<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">(<\/span><span class=\"n\">math<\/span><span class=\"o\">.<\/span><span class=\"n\">Floor<\/span><span class=\"p\">(<\/span>\r\n\t\t\t\t\t\t<span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryRequest<\/span><span class=\"p\">)<\/span><span class=\"o\">+<\/span>\r\n\t\t\t\t\t\t\t<span class=\"p\">(<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">allocatableMemory<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span><span class=\"p\">())<\/span><span class=\"o\">-<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryRequest<\/span><span class=\"p\">))<\/span><span class=\"o\">*<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">.<\/span><span class=\"n\">memoryThrottlingFactor<\/span><span class=\"p\">))<\/span><span class=\"o\">\/<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">defaultPageSize<\/span><span class=\"p\">))<\/span> <span class=\"o\">*<\/span> <span class=\"n\">defaultPageSize<\/span>\r\n\t\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"k\">if<\/span> <span class=\"n\">memoryHigh<\/span> <span class=\"o\">!=<\/span> <span class=\"m\">0<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">memoryHigh<\/span> <span class=\"o\">&gt;<\/span> <span class=\"n\">memoryRequest<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t<span class=\"n\">unified<\/span><span class=\"p\">[<\/span><span class=\"n\">cm<\/span><span class=\"o\">.<\/span><span class=\"n\">Cgroup2MemoryHigh<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">FormatInt<\/span><span class=\"p\">(<\/span><span class=\"n\">memoryHigh<\/span><span class=\"p\">,<\/span> <span class=\"m\">10<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">https:\/\/github.com\/kubernetes\/kubernetes\/blob\/bae2c62678db2b5053817bc97181fcc2e8388103\/pkg\/kubelet\/kuberuntime\/kuberuntime_container_linux.go#L122-L147<\/ul>\n<p>\u3053\u306e\u554f\u984c\u306f\u30e1\u30e2\u30ea\u8981\u6c42\u3068\u5236\u9650\u306e\u5024\u3092\u5c11\u3057\u30ba\u30e9\u305a\u3060\u3051\u3067\u56de\u907f\u3067\u304d\u307e\u3059\u304c\u3001\u3059\u3050\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u3044\u5834\u5408\u306b\u306f\u3053\u306e\u30d5\u30a3\u30fc\u30c1\u30e3\u30b2\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u308b\u3079\u304d\u3067\u3057\u3087\u3046\uff08\u307e\u3060\u30a2\u30eb\u30d5\u30a1\u3067\u3059\u3057\uff09\u3002\u305f\u3060\u3001\u3053\u306e\u4ed5\u69d8\u306e\u307e\u307e GA \u3057\u3066\u3057\u307e\u3046\u3068\u5c06\u6765\u7121\u52b9\u306b\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u3053\u306e\u4ed5\u69d8\u304c\u671f\u5f85\u3057\u305f\u3082\u306e\u306a\u306e\u304b\u3092\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u78ba\u8a8d\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<h2>\u7a33\u5b9aPod\u5185\u5b58\u7684 memory.oom.group<\/h2>\n<p>\u81ea Kubernetes v1.28 \u8d77\u5f15\u5165\u4e86\u4e00\u4e2a\u540d\u4e3a cgroup v2 memory.oom.group \u7684\u7279\u6027\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067 Pod \u304c OOM \u306b\u306a\u3063\u305f\u5834\u5408\u306b\u5b50\u30d7\u30ed\u30bb\u30b9\u306a\u30691\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3060\u3051\u304c\u6bba\u3055\u308c\u3066\u30b3\u30f3\u30c6\u30ca\u3068\u3057\u3066\u306f\u5065\u5168\u306a\u307e\u307e\u5b9f\u884c\u3055\u308c\u7d9a\u3051\u3066\u3044\u307e\u3057\u305f\u3002\u6210\u719f\u3057\u305f\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u5b50\u30d7\u30ed\u30bb\u30b9\u306e OOM \u3092\u6b63\u3057\u304f\u51e6\u7406\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u3046\u3067\u306f\u306a\u3044\u305d\u306e\u4ed6\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f OOM \u306b\u306a\u3063\u305f\u5834\u5408\u306b\u4e00\u90e8\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u6bba\u3055\u308c\u3066\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u3088\u308a\u306f\u30b3\u30f3\u30c6\u30ca\u5168\u4f53\u3092 OOM \u3068\u3057\u3066\u5f37\u5236\u7d42\u4e86\u3057\u305f\u307b\u3046\u304c\u5b89\u5b9a\u3057\u305d\u3046\u3067\u3059\u3002\u305d\u3053\u3067\u3001Kubernetes v1.28 \u304b\u3089\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u304c OOM \u306b\u306a\u3063\u305f\u5834\u5408\u306b\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u3059\u3079\u3066\u306e PID \u3092 OOM \u3068\u3057\u3066\u5f37\u5236\u7d42\u4e86\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul class=\"post-ul\">use the cgroup aware OOM killer if available by tzneal \u00b7 Pull Request #117793 \u00b7 kubernetes\/kubernetes<\/ul>\n<h3>\u95ee\u9898\uff1a\u5047\u8bbe\u5b58\u5728\u5b50\u8fdb\u7a0b\u5728OOM\u4e4b\u524d\u8017\u5c3d\u8d44\u6e90\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002<\/h3>\n<p>\u867d\u7136\u5728OOM\u65f6\u7ec8\u6b62\u6574\u4e2a\u5bb9\u5668\u53ef\u80fd\u4f1a\u4f7f\u8bb8\u591a\u5de5\u4f5c\u8d1f\u8f7d\u7a33\u5b9a\uff0c\u4f46\u6211\u4eec\u7684\u5de5\u4f5c\u8d1f\u8f7d\u7684\u4e00\u90e8\u5206\u51fa\u73b0\u4e86\u95ee\u9898\u3002\u6211\u4eec\u5347\u7ea7\u4e86\u96c6\u7fa4\u5230v1.28\u540e\u7684\u6570\u5929\u5185\uff0c\u6709\u4eba\u54a8\u8be2\u8bf4\u4e4b\u524d\u6210\u529f\u7684\u4f5c\u4e1a\u73b0\u5728\u5374\u56e0\u4e3aOOM\u800c\u5931\u8d25\u4e86\u3002\u7ecf\u8be2\u95ee\u5f97\u77e5\uff0c\u8fd9\u4e2a\u4f5c\u4e1a\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u65e0\u6cd5\u9884\u77e5\u6bcf\u4e2a\u6761\u76ee\u5230\u5e95\u4f1a\u6d88\u8017\u591a\u5c11\u5185\u5b58\u7684\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u6240\u4ee5\u6682\u65f6\u5148\u8fd0\u884c\uff0c\u5982\u679c\u5b50\u8fdb\u7a0b\u53d1\u751fOOM\uff0c\u5219\u8ba1\u7b97\u53e6\u4e00\u4e2a\u6761\u76ee\u3002\u7531\u4e8e\u542f\u7528\u4e86memory.oom.group\uff0c\u5f53\u5b50\u8fdb\u7a0b\u53d1\u751fOOM\u65f6\u6574\u4e2a\u8fdb\u7a0b\u4f1a\u88ab\u7ec8\u6b62\uff0c\u5bfc\u81f4\u65e0\u6cd5\u7ee7\u7eed\u8ba1\u7b97\u3002<\/p>\n<p>\u540c\u6837\uff0c\u53e6\u4e00\u4e2a\u67e5\u8be2\u4e2d\u4f7f\u7528\u4e86make\u547d\u4ee4\u7684-k\u9009\u9879\uff0c\u4ee5\u4fbf\u5728\u4ea4\u4e92\u5f0f\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\uff0c\u5373\u4f7f\u6784\u5efa\u8fc7\u7a0b\u7684\u67d0\u4e9b\u90e8\u5206\u5931\u8d25\uff0c\u4e5f\u80fd\u591f\u7ee7\u7eed\u8fdb\u884c\uff1b\u540c\u65f6\uff0c\u5728\u9047\u5230OOM\u5931\u8d25\u65f6\uff0c\u4e5f\u80fd\u591f\u6210\u529f\u6784\u5efa\uff08\u4f8b\u5982\uff0cmake -j 20 -k || make -j 10\uff09\u3002\u7136\u800c\uff0c\u7531\u4e8e\u8fd9\u4e2a\u529f\u80fd\uff0c\u5f53\u53d1\u751fOOM\u4e4b\u524d\uff0c\u7ec8\u7aef\u672c\u8eab\u5c06\u88ab\u7ec8\u6b62\u3002<\/p>\n<p>\u8fd9\u4e9b\u95ee\u9898\u4e0d\u4ec5\u4ec5\u9700\u8981\u4fee\u6539\u6e05\u5355\u6587\u4ef6\uff0c\u8fd8\u9700\u8981\u6539\u53d8\u5e94\u7528\u7a0b\u5e8f\u548c\u4f7f\u7528\u65b9\u5f0f\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u539f\u672c\u5e0c\u671b\u5148\u5c06\u529f\u80fd\u7981\u7528\uff0c\u4f46\u5728 v1.28 \u7248\u672c\u4e2d\uff0cmemory.oom.group \u9009\u9879\u5c1a\u4e0d\u53ef\u7528\uff0c\u82e5\u8981\u7981\u7528\u8be5\u529f\u80fd\uff0c\u5219\u9700\u8981\u4fee\u6539 Kubernetes \u8282\u70b9\u4ee5\u4e0d\u4f7f\u7528 cgroup v2\u3002\u7531\u4e8e\u5728\u6211\u4eec\u7684\u73af\u5883\u4e2d\u6682\u65f6\u65e0\u6cd5\u7acb\u5373\u7981\u7528 cgroup v2\uff0c\u6211\u4eec\u9009\u62e9\u6784\u5efa\u5e76\u4f7f\u7528\u5df2\u5220\u9664\u8be5\u529f\u80fd\u7684 kubelet \u8fdb\u884c\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gh\">diff --git a\/pkg\/kubelet\/kuberuntime\/kuberuntime_container_linux.go b\/pkg\/kubelet\/kuberuntime\/kuberuntime_container_linux.go\r\nindex f14b6d1a6fc..0aef6395ce7 100644\r\n<\/span><span class=\"gd\">--- a\/pkg\/kubelet\/kuberuntime\/kuberuntime_container_linux.go\r\n<\/span><span class=\"gi\">+++ b\/pkg\/kubelet\/kuberuntime\/kuberuntime_container_linux.go\r\n<\/span><span class=\"p\">@@ -233,15 +233,6 @@<\/span> func (m *kubeGenericRuntimeManager) calculateLinuxResources(cpuRequest, cpuLimit\r\n                resources.CpuPeriod = cpuPeriod\r\n        }\r\n\r\n<span class=\"gd\">-       \/\/ runc requires cgroupv2 for unified mode\r\n-       if isCgroup2UnifiedMode() {\r\n-               resources.Unified = map[string]string{\r\n-                       \/\/ Ask the kernel to kill all processes in the container cgroup in case of OOM.\r\n-                       \/\/ See memory.oom.group in https:\/\/www.kernel.org\/doc\/html\/latest\/admin-guide\/cgroup-v2.html for\r\n-                       \/\/ more info.\r\n-                       \"memory.oom.group\": \"1\",\r\n-               }\r\n-       }\r\n<\/span>        return &amp;resources\r\n }\r\n<\/code><\/pre>\n<p>\u6211\u5e0c\u671b\u5728\u4e0a\u6e38\u6dfb\u52a0\u4e00\u4e2a\u7981\u7528\u6b64\u529f\u80fd\u7684\u9009\u9879\uff0c\u5e76\u8bf7\u6c42\u5c06\u5176\u4f5c\u4e3aSIG-Node\u4f1a\u8bae\u7684\u8bae\u9898\u6765\u5904\u7406\u3002<\/p>\n<div>\n<p>2023\/12\/8 \u8ffd\u8a18: \u5728 SIG-Node \u4f1a\u8bae\u4e0a\uff0c\u6211\u4eec\u51b3\u5b9a\u8ffd\u52a0\u4e00\u4e2a\u8282\u70b9\u5c42\u9762\u7684 kubelet \u914d\u7f6e\u5b57\u6bb5\u6765\u542f\u7528\u6216\u7981\u7528\u6b64\u529f\u80fd\uff0c\u4ee5\u5141\u8bb8\u7ba1\u7406\u5458\u9009\u62e9\u52a0\u5165\u3002\u8bf7\u5173\u6ce8 1.30 \u7248\u672c\u4e2d\u7684\u66f4\u65b0\u4fe1\u606f\u3002<\/p>\n<p>\u94fe\u63a5\uff1ahttps:\/\/github.com\/kubernetes\/kubernetes\/pull\/117793#issuecomment-1845678609<\/p>\n<\/div>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5c3d\u7ba1Kubernetes\u5df2\u7ecf\u652f\u6301cgroup v2\uff0c\u4f46\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\u4f7f\u7528cgroup v2\u7684\u96c6\u7fa4\u4ecd\u7136\u5f88\u5c11\u3002\u56e0\u6b64\uff0c\u4e0ecgroup v2\u76f8\u5173\u7684\u95ee\u9898\u53ef\u80fd\u5c1a\u672a\u663e\u9732\u3002\u8003\u8651\u5230\u5c06\u6765\u4f7f\u7528cgroup v2\u7684\u96c6\u7fa4\u6570\u91cf\u53ef\u80fd\u4f1a\u589e\u52a0\uff0c\u95ee\u9898\u53ef\u80fd\u4f1a\u663e\u73b0\u51fa\u6765\uff0c\u56e0\u6b64\u5efa\u8bae\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u89c2\u5bdfcgroup v2\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u8fc7\u53bb\u8fd8\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\u3002<\/p>\n<ul class=\"post-ul\">Kubernetes: cgroup v2 \u4f7f\u7528\u6642\u306b &#8220;failed to create fsnotify watcher: too many open files&#8221; \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u554f\u984c\u306e\u5bfe\u7b56 #kubernetes &#8211; Qiita<\/ul>\n<p>\u5bf9\u4e8e\u5bf9cgroup\u4ea7\u751f\u5174\u8da3\u7684\u8bfb\u8005\u6765\u8bf4\uff0c\u6211\u63a8\u8350\u9605\u8bfb\u5728gihyo.jp\u8fde\u8f7d\u7684\u300a\u901a\u8fc7LXC\u5b66\u4e60\u5bb9\u5668\u5165\u95e8-\u5b66\u4e60\u5b9e\u73b0\u8f7b\u91cf\u7ea7\u865a\u62df\u5316\u73af\u5883\u7684\u6280\u672f\u300b\uff0c\u4f60\u53ef\u4ee5\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u4e86\u89e3\u5173\u4e8ecgroup\u7684\u5185\u5bb9\u3002<\/p>\n<hr \/>\n<p>PFN \u3067\u306f\u5927\u898f\u6a21\u306a\u6a5f\u68b0\u5b66\u7fd2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092 Kubernetes \u3067\u3044\u3044\u304b\u3093\u3058\u306b\u3057\u3066\u3044\u304f\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u52df\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u304a\u6c17\u8efd\u306b\u30ab\u30b8\u30e5\u30a2\u30eb\u9762\u8ac7\u306b\u3054\u5fdc\u52df\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u682a\u5f0f\u4f1a\u793e Preferred Networks &#8220;Infrastructure\u201d \u9818\u57df\u30ab\u30b8\u30e5\u30a2\u30eb\u9762\u8ac7\u5fdc\u52df\u30d5\u30a9\u30fc\u30e0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Machine Learning Platform Engineer\/\u6a5f\u68b0\u5b66\u7fd2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2 (Infrastructure) &#8211; Preferred Networks, Inc.<\/ul>\n<section>https:\/\/github.com\/kubernetes\/kubernetes\/pull\/117793#issuecomment-1837400726 \u21a9\u8bf7\u70b9\u51fb\u4ee5\u4e0a\u94fe\u63a5\u67e5\u770b\u5173\u4e8e https:\/\/github.com\/kubernetes\/kubernetes\/pull\/117793 \u7684\u8bc4\u8bba\uff0c\u7f16\u53f7\u4e3a1837400726\u3002<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 Kubernetes \u306f v1.25 \u3067 cgroup v2 \u30b5\u30dd\u30fc\u30c8\u3092 GA \u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u306b cg [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-35550","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kubernetes \u548c cgroup v2 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u548c-cgroup-v2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kubernetes \u548c cgroup v2\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 Kubernetes \u306f v1.25 \u3067 cgroup v2 \u30b5\u30dd\u30fc\u30c8\u3092 GA \u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u306b cg [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u548c-cgroup-v2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-02T18:37:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T22:56:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d238e37434c4406c2b309\/14-0.svg\" \/>\n<meta name=\"author\" content=\"\u79d1, \u9896\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u9896\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/\",\"name\":\"Kubernetes \u548c cgroup v2 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-12-02T18:37:18+00:00\",\"dateModified\":\"2024-04-28T22:56:02+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kubernetes \u548c cgroup v2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\",\"name\":\"\u79d1, \u9896\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u9896\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Kubernetes \u548c cgroup v2 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u548c-cgroup-v2\/","og_locale":"zh_CN","og_type":"article","og_title":"Kubernetes \u548c cgroup v2","og_description":"\u9996\u5148 Kubernetes \u306f v1.25 \u3067 cgroup v2 \u30b5\u30dd\u30fc\u30c8\u3092 GA \u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u306b cg [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-\u548c-cgroup-v2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-12-02T18:37:18+00:00","article_modified_time":"2024-04-28T22:56:02+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d238e37434c4406c2b309\/14-0.svg"}],"author":"\u79d1, \u9896","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u9896","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/","name":"Kubernetes \u548c cgroup v2 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-12-02T18:37:18+00:00","dateModified":"2024-04-28T22:56:02+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Kubernetes \u548c cgroup v2"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e","name":"\u79d1, \u9896","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","caption":"\u79d1, \u9896"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes-%e5%92%8c-cgroup-v2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/35550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=35550"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/35550\/revisions"}],"predecessor-version":[{"id":83730,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/35550\/revisions\/83730"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=35550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=35550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=35550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}