{"id":43672,"date":"2023-10-12T07:36:38","date_gmt":"2022-12-13T14:32:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8kubernetes%e7%8e%af%e5%a2%83%e6%9d%a5%e6%a3%80%e6%b5%8bcgroupoom%e5%b9%b6%e5%b0%86%e5%85%b6%e4%b8%8epod%e5%92%8c%e5%ae%b9%e5%99%a8%e8%bf%9e%e6%8e%a5%e8%b5%b7%e6%9d%a5%e3%80%82\/"},"modified":"2024-05-04T03:49:41","modified_gmt":"2024-05-03T19:49:41","slug":"%e4%bd%bf%e7%94%a8kubernetes%e7%8e%af%e5%a2%83%e6%9d%a5%e6%a3%80%e6%b5%8bcgroupoom%e5%b9%b6%e5%b0%86%e5%85%b6%e4%b8%8epod%e5%92%8c%e5%ae%b9%e5%99%a8%e8%bf%9e%e6%8e%a5%e8%b5%b7%e6%9d%a5%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8kubernetes%e7%8e%af%e5%a2%83%e6%9d%a5%e6%a3%80%e6%b5%8bcgroupoom%e5%b9%b6%e5%b0%86%e5%85%b6%e4%b8%8epod%e5%92%8c%e5%ae%b9%e5%99%a8%e8%bf%9e%e6%8e%a5%e8%b5%b7%e6%9d%a5%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Kubernetes\u73af\u5883\u6765\u68c0\u6d4bcgroupOOM\u5e76\u5c06\u5176\u4e0ePod\u548c\u5bb9\u5668\u8fde\u63a5\u8d77\u6765"},"content":{"rendered":"<p>\u5173\u4e8e\u4e3a\u5bb9\u5668\u521b\u5efa\u5b50\u8fdb\u7a0b\u7684\u5185\u90e8\u8ba8\u8bba\u3002<\/p>\n<h1>\u73af\u5883<\/h1>\n<p>Kubernetes\u7248\u672c\uff1aEKS 1.21<br \/>\n\u8282\u70b9\u64cd\u4f5c\u7cfb\u7edf\uff1aAmazon Linux 2\u5185\u68385.4<\/p>\n<h1>\u524d\u63d0\u7b49 t\u00ed<\/h1>\n<p>\u5728kubernetes\u73af\u5883\u4e2d\uff0c\u5185\u5b58\u4e0d\u8db3\uff08OOM\uff09\u4e3b\u8981\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">cgroupOOM<\/ul>\n<\/li>\n<\/ul>\n<p>pod\u306eresources\u306b\u8a2d\u5b9a\u3057\u305flimit\u306b\u3088\u308a\u5f15\u304d\u8d77\u3053\u3055\u308c\u305fOOM<br \/>\n\u30b3\u30f3\u30c6\u30ca\u306ememory\u304climit\u306b\u9054\u3059\u308b\u3068\u518d\u8d77\u52d5\u3055\u308c\u308b\u304c\u3001\u305d\u306e\u969b\u306bOOM\u304c\u767a\u751f\u3057\u3066\u3044\u308b<\/p>\n<p>systemOOM<\/p>\n<p>cgroupOOM\u3067\u306a\u3044\u3001kernel\u304c\u307e\u305a\u3044\u3068\u5224\u65ad\u3057\u3066\u5f15\u304d\u8d77\u3053\u3059OOM<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d53f637434c4406cd146f\/6-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2021-12-22 23.25.01.png\" \/><\/div>\n<h1>\u4e0d\u65b9\u4fbf\u7684\u4e8b\u60c5<\/h1>\n<p>\u5728cgroupOOM\u4e2d\uff0c\u53ea\u6709\u5f53\u4e3b\u8fdb\u7a0b\uff08\u5bb9\u5668\u5185\u7684pid:1\uff09\u88abkill\u65f6\uff0c\u5bb9\u5668\u624d\u4f1a\u88ab\u91cd\u65b0\u542f\u52a8\u3002<br \/>\n\u57fa\u672c\u4e0a\u8fd9\u5c31\u8db3\u591f\u4e86\uff0c\u4f46\u662f\u5bf9\u4e8e\u50cfphp-fpm\u6216python\u7684celery\u8fd9\u6837\u4ece\u4e3b\u8fdb\u7a0b\u751f\u6210\u5b50\u8fdb\u7a0b\u5e76\u8fd0\u884c\u7684\u4e1c\u897f\u53ef\u80fd\u4e0d\u591f\u3002<\/p>\n<p>\u5f53\u5b50\u8fdb\u7a0b\u7531\u4e8e\u5185\u5b58\u4f7f\u7528\u8fc7\u591a\u800c\u88abOOMkilled\u65f6\uff0c\u4e3b\u8fdb\u7a0b\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b50\u8fdb\u7a0b\u5e76\u9000\u51fa\u3002<br \/>\n\u5b9e\u9645\u4e0a\uff0c\u6211\u6b63\u5728\u5904\u7406php-fpm\u548ccelery\u5bb9\u5668\uff0c\u5f53\u4e3b\u8fdb\u7a0b\u88ab\u6740\u6b7b\u5e76\u91cd\u65b0\u542f\u52a8\u5bb9\u5668\u65f6\uff0c\u6709\u65f6\u53ea\u6709\u5b50\u8fdb\u7a0b\u88ab\u6740\u6b7b\u800c\u5bb9\u5668\u5e76\u4e0d\u4f1a\u91cd\u65b0\u521b\u5efa\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u53ea\u6709\u6740\u6389\u8fd9\u4e2a\u5b50\u8fdb\u7a0b\u7684\u72b6\u6001\uff0c\u4f60\u624d\u65e0\u6cd5\u901a\u8fc7\u4e0d\u91c7\u53d6\u4efb\u4f55\u63aa\u65bd\u6765\u77e5\u9053\u5b83\u7684\u53d1\u751f\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u6307\u6807\u3001\u89c2\u5bdf\u5185\u5b58\u7684\u53d8\u5316\u6216\u67e5\u770bNode\u7684syslog\u7b49\u65b9\u6cd5\u6765\u5f97\u77e5\u4e0d\u6b63\u5e38\u7684\u52a8\u4f5c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u8003\u8651\u8bbe\u8ba1\u4e00\u4e2a\u673a\u5236\u6765\u68c0\u6d4b\u5e76\u901a\u77e5\u8fd9\u4e9b\u4e8b\u60c5\u3002<\/p>\n<h1>\u9009\u98791\uff1a\u8282\u70b9\u95ee\u9898\u68c0\u6d4b\u5668<\/h1>\n<p>\u60a8\u53ef\u4ee5\u76d1\u63a7syslog\u548cstats\u7b49\u4ee5\u4fbf\u68c0\u6d4b\u5f02\u5e38\u60c5\u51b5\u3002\u4e00\u65e6\u68c0\u6d4b\u5230\u5f02\u5e38\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e8b\u4ef6\u901a\u77e5\u6216\u751f\u6210prometheus\u7684\u6307\u6807\u8fdb\u884c\u901a\u77e5\u3002<\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u4f46\u8fd8\u6709\u4e00\u4e9b\u4e0d\u8db3\u7684\u5730\u65b9\u3002<br \/>\n\u5f53\u68c0\u6d4b\u5230OOM\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u7acb\u5373\u770b\u51faOOM\u53d1\u751f\u4e86\u4ee5\u53ca\u8fdb\u7a0b\u7684\u540d\u79f0\uff0c\u4f46\u662f\uff0c\u6bd4\u5982\u8bf4php-fpm\u8fdb\u7a0b\u5d29\u6e83\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ea\u77e5\u9053php-fpm\u8fdb\u7a0b\u5d29\u6e83\u4e86\uff0c\u5374\u4e0d\u77e5\u9053\u662f\u54ea\u4e2a\u5bb9\u5668\u7684php-fpm\u8fdb\u7a0b\u5d29\u6e83\u4e86\u3002\u9700\u8981\u901a\u8fc7\u67e5\u770bsyslog\u5e76\u5bf9\u6bd4\u5bb9\u5668ID\uff0c\u7136\u540e\u8fdb\u884c\u5339\u914d\u6765\u786e\u5b9a\u8be5ID\u7684\u5bb9\u5668\u662f\u54ea\u4e00\u4e2a\u2026<br \/>\n\u5982\u679c\u60a8\u4e0d\u4ecb\u610f\u8fd9\u4e9b\u95ee\u9898\uff0c\u90a3\u4e48\u8bbe\u7f6e\u4e5f\u5f88\u7b80\u5355\uff0c\u6211\u89c9\u5f97\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<h1>\u7b2c\u4e8c\u9879\u3002Loki\u7684\u5f55\u97f3\u89c4\u5219\u3002<\/h1>\n<p>\u4e0e\u4e0a\u8ff0\u76f8\u6bd4\uff0c\u8bbe\u7f6e\u4f1a\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\uff0c\u4f46\u8fd9\u662f\u4e00\u79cd\u53ef\u4ee5\u81ea\u52a8\u8fde\u63a5\u7684\u65b9\u6cd5\u3002<br \/>\n\u9664\u4e86Loki\u4e4b\u5916\uff0c\u8fd8\u9700\u8981kube-state-metrics\u548cprometheus\uff0c\u4f46\u4f5c\u4e3aKubernetes\u7684\u57fa\u672c\u76d1\u63a7\u8bbe\u7f6e\uff0c\u5e0c\u671b\u4f60\u80fd\u7406\u89e3\u3002<br \/>\n\u652f\u6301\u4f7f\u7528recording rules\u7684Loki\u7248\u672c\u662f2.3\u53ca\u4ee5\u4e0a\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u6d41\u7a0b<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">promtail\u3067node\u306esyslog\u3092target\u306b\u8ffd\u52a0\u3057\u3066\u4fdd\u5b58\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">recording rules\u3067oom\u306e\u30ed\u30b0\u3092\u30e1\u30c8\u30ea\u30af\u30b9\u5316\u3057\u3066prometheus\u306b\u4fdd\u5b58<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">kube-state-metrics\u306e\u30e1\u30c8\u30ea\u30af\u30b9 kube_pod_container_info\u3000\u3068join\u3057\u3066oomkilled\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u30b3\u30f3\u30c6\u30ca\u3092\u7d10\u4ed8\u3051\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u3042\u3068\u306f\u305d\u308c\u3092\u5143\u306b\u901a\u77e5\u3059\u308b\u306a\u308a\u306a\u3093\u306a\u308a<\/ul>\n<p>\u8fd9\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u8d8b\u52bf\uff0c\u6211\u4eec\u5c06\u4ed4\u7ec6\u5206\u6790\u3002<\/p>\n<h3>\u5c06syslog\u6dfb\u52a0\u5230\u76ee\u6807\u4e2d<\/h3>\n<p>\u5bf9\u4e8ejournal\u7684\u60c5\u51b5\uff0c\u60a8\u53ef\u4ee5\u5728promtail\u7684\u914d\u7f6e\u4e2d\u6dfb\u52a0\u7c7b\u4f3c\u7684\u5185\u5bb9\u8fdb\u884c\u83b7\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"pi\">-<\/span> <span class=\"na\">job_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">journal<\/span>\r\n      <span class=\"na\">journal<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/log\/journal<\/span>\r\n        <span class=\"na\">max_age<\/span><span class=\"pi\">:<\/span> <span class=\"s\">12h<\/span>\r\n        <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">job<\/span><span class=\"pi\">:<\/span> <span class=\"s\">systemd-journal<\/span>\r\n      <span class=\"na\">relabel_configs<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">source_labels<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span><span class=\"s1\">'<\/span><span class=\"s\">__journal__systemd_unit'<\/span><span class=\"pi\">]<\/span>\r\n          <span class=\"na\">target_label<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">unit'<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">source_labels<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span><span class=\"s1\">'<\/span><span class=\"s\">__journal__hostname'<\/span><span class=\"pi\">]<\/span>\r\n          <span class=\"na\">target_label<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">hostname'<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u662f\u671f\u520a\uff0c\u6211\u5c31\u4e0d\u77e5\u9053\u4e86\u3002<\/p>\n<h3>\u8bbe\u7f6eLoki\u7684\u5f55\u97f3\u89c4\u5219\u3002<\/h3>\n<p>\u5047\u8bbe\u5df2\u7ecf\u5b8c\u6210\u4e86\u542f\u7528\u5f55\u5236\u89c4\u5219\u7684\u8bbe\u7f6e\uff0c\u5173\u4e8e\u6b64\u53ef\u80fd\u4f1a\u5199\u53e6\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>\u6211\u4f1a\u8bbe\u5b9a\u8fd9\u6837\u7684\u89c4\u5219\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">groups<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">oomkilling<\/span>\r\n    <span class=\"na\">rules<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">record<\/span><span class=\"pi\">:<\/span> <span class=\"s\">oom_killed_container_count_info<\/span>\r\n        <span class=\"na\">expr<\/span><span class=\"pi\">:<\/span> <span class=\"s\">sum by(uid,cid)(count_over_time({job=\"systemd-journal\"} |~ \"^oom-kill:\" | regexp \".+task_memcg=\/kubepods(\/burstable)?\/pod(?P&lt;uid&gt;[0-9,a-f].+)\/(?P&lt;cid&gt;[0-9,a-f].+),task.+\" [1m]))<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u53d1\u751fOOM\u65f6\uff0c\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aoom_killed_container_count_info\u7684\u8ba1\u6570\u5668\uff08\u51c6\u786e\u6765\u8bf4\u662f\u4eea\u8868\u76d8\uff09\u6307\u6807\uff0c\u5b83\u7684\u6807\u7b7e\u4e3auid\uff08\u7b49\u4e8epod\u7684id\uff09\u548ccid\uff08\u7b49\u4e8e\u5bb9\u5668\u7684id\uff09\uff0c\u7528\u4e8e\u8bb0\u5f55OOMKiller\u6740\u6b7b\u4e86\u54ea\u4e2a\u8fdb\u7a0b\uff08\u8fd9\u6b21\u6ca1\u6709\u4f7f\u7528uid\uff09\u3002<\/p>\n<h3>\u5c06kube-state-metrics\u4e0e\u6307\u6807\u8fde\u63a5\u3002<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\u8fde\u63a5kube-state-metrics\u4ea7\u751f\u7684\u5bb9\u5668\u4fe1\u606f\u6307\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">avg<\/span> <span class=\"k\">by<\/span><span class=\"p\">(<\/span><span class=\"na\">pod<\/span><span class=\"p\">,<\/span><span class=\"na\">container<\/span><span class=\"p\">)(<\/span>\r\n  <span class=\"nb\">label_replace<\/span><span class=\"p\">(<\/span><span class=\"n\">kube_pod_container_info<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"cid\"<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"$2\"<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"container_id\"<\/span><span class=\"p\">,<\/span><span class=\"s2\">\"(docker|containerd):\/\/(.+)\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"o\">*<\/span> <span class=\"kp\">on<\/span><span class=\"p\">(<\/span><span class=\"na\">cid<\/span><span class=\"p\">)<\/span> <span class=\"n\">group_left<\/span>\r\n  <span class=\"n\">oom_killed_container_count_info<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>kube_pod_container_info\u7684container_id\u4ee5docker:\/\/\u6216containerd:\/\/\u5f00\u5934\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528label_replace\u5c06\u5176\u79fb\u9664<\/p>\n<p>\u73b0\u5728\uff0c\u5df2\u7ecf\u5b8c\u6210\u4e86\u4e00\u4e2a\u80fd\u591f\u7acb\u5373\u5224\u65ad\u53d1\u751f\u4e86OOMKilled\u7684pod\u548c\u5bb9\u5668\u7684\u6307\u6807\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d53f637434c4406cd146f\/36-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2021-12-23 0.33.50.png\" \/><\/div>\n<h1>\u53e6\u5916\u8fd8\u5b58\u5728\u4e00\u4e2a\u95ee\u9898<br \/>\n\u66f4\u8fdb\u4e00\u6b65\u7684\u95ee\u9898<\/h1>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4e00\u4e2a\u76f8\u5f53\u5927\u7684\u95ee\u9898\u662f\u5728\u5bf9syslog\u8fdb\u884cgrep\u548c\u89e3\u6790\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8eLOG\u5bfc\u81f4\u7684\u8f93\u51fa\u5f88\u53ef\u80fd\u4f1a\u51fa\u73b0\u9891\u7e41\u7684\u53d8\u5316\uff0c\u6240\u4ee5\u6709\u5f88\u5927\u53ef\u80fd\u7a81\u7136\u65e0\u6cd5\u68c0\u6d4b\u5230\u3002<\/p>\n<h1>\u5728\u4e2d\u6587\u4e2d\uff0c\u4f60\u53ef\u4ee5\u8fd9\u6837\u6765\u89e3\u91ca\uff1a\u201c\u6839\u672c\u89e3\u51b3\u662f\u201d<\/h1>\n<p>\u6709\u4e00\u4e2a\u5173\u4e8ekubernetes\u7684\u95ee\u9898\uff0c\u8981\u6c42cgroupOOM\u63d0\u4f9b\u4fe1\u606f\u3002<br \/>\nhttps:\/\/github.com\/kubernetes\/kubernetes\/issues\/100483<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e\u4e3a\u5bb9\u5668\u521b\u5efa\u5b50\u8fdb\u7a0b\u7684\u5185\u90e8\u8ba8\u8bba\u3002 \u73af\u5883 Kubernetes\u7248\u672c\uff1aEKS 1.21 \u8282\u70b9\u64cd\u4f5c\u7cfb\u7edf\uff1aAmazon [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43672","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>\u4f7f\u7528Kubernetes\u73af\u5883\u6765\u68c0\u6d4bcgroupOOM\u5e76\u5c06\u5176\u4e0ePod\u548c\u5bb9\u5668\u8fde\u63a5\u8d77\u6765 - 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\" 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