{"id":224981,"date":"2023-01-15T02:34:18","date_gmt":"2023-01-14T18:34:18","guid":{"rendered":"https:\/\/www.idc.net\/help\/224981\/"},"modified":"2023-01-15T02:34:18","modified_gmt":"2023-01-14T18:34:18","slug":"%e4%b8%80%e7%af%87%e5%b8%a6%e7%bb%99%e4%bd%a0k8s%e9%9b%86%e7%be%a4%e7%a8%b3%e5%ae%9a%e6%80%a7%e6%8f%90%e5%8d%87%e6%89%8b%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/224981\/","title":{"rendered":"\u4e00\u7bc7\u5e26\u7ed9\u4f60K8s\u96c6\u7fa4\u7a33\u5b9a\u6027\u63d0\u5347\u624b\u6bb5"},"content":{"rendered":"<h1>\u4e00\u7bc7\u5e26\u7ed9\u4f60K8s\u96c6\u7fa4\u7a33\u5b9a\u6027\u63d0\u5347\u624b\u6bb5<\/h1>\n<p><span>\u4f5c\u8005\uff1a\u51ac\u5b50\u5148\u751f<\/span> 2022-03-22 08:52:40<br \/>\n<i><\/i><br \/>\n<span>\u4e91\u8ba1\u7b97<\/span><br \/>\n<i><\/i><br \/>\n<span>\u4e91\u539f\u751f<\/span> Kubernetes \u4e2d\u7684 Request(\u8bf7\u6c42) \u5b57\u6bb5\u7528\u4e8e\u7ba1\u7406\u5bb9\u5668\u5bf9 CPU \u548c\u5185\u5b58\u8d44\u6e90\u9884\u7559\u7684\u673a\u5236\uff0c\u4fdd\u8bc1\u5bb9\u5668\u81f3\u5c11\u53ef\u4ee5\u8fbe\u5230\u7684\u8d44\u6e90\u91cf\uff0c\u8be5\u90e8\u5206\u8d44\u6e90\u4e0d\u80fd\u88ab\u5176\u4ed6\u5bb9\u5668\u62a2\u5360\u3002 <\/p>\n<p style=\"text-align: center\">\n<h2>\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387<\/h2>\n<h3>\u4e00\u3001 \u8d44\u6e90\u6d6a\u8d39\u573a\u666f<\/h3>\n<h4>1\u3001\u8d44\u6e90\u9884\u7559\u666e\u904d\u5b58\u5728 50% \u4ee5\u4e0a\u7684\u6d6a\u8d39<\/h4>\n<p>Kubernetes \u4e2d\u7684 Request(\u8bf7\u6c42) \u5b57\u6bb5\u7528\u4e8e\u7ba1\u7406\u5bb9\u5668\u5bf9 CPU \u548c\u5185\u5b58\u8d44\u6e90\u9884\u7559\u7684\u673a\u5236\uff0c\u4fdd\u8bc1\u5bb9\u5668\u81f3\u5c11\u53ef\u4ee5\u8fbe\u5230\u7684\u8d44\u6e90\u91cf\uff0c\u8be5\u90e8\u5206\u8d44\u6e90\u4e0d\u80fd\u88ab\u5176\u4ed6\u5bb9\u5668\u62a2\u5360\uff0c\u5177\u4f53\u53ef\u67e5\u770b(https:\/\/kubernetes.io\/docs\/concepts\/configuration\/manage-resources-containers\/)\u3002\u5f53 Request \u8bbe\u7f6e\u8fc7\u5c0f\uff0c\u65e0\u6cd5\u4fdd\u8bc1\u4e1a\u52a1\u7684\u8d44\u6e90\u91cf\uff0c\u5f53\u4e1a\u52a1\u7684\u8d1f\u8f7d\u53d8\u9ad8\u65f6\u65e0\u529b\u627f\u8f7d\uff0c\u56e0\u6b64\u7528\u6237\u901a\u5e38\u4e60\u60ef\u5c06 Request \u8bbe\u7f6e\u5f97\u5f88\u9ad8\uff0c\u4ee5\u4fdd\u8bc1\u670d\u52a1\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p>\u4f46\u5b9e\u9645\u4e0a\uff0c\u4e1a\u52a1\u5728\u5927\u591a\u6570\u65f6\u6bb5\u65f6\u8d1f\u8f7d\u4e0d\u4f1a\u5f88\u9ad8\u3002\u4ee5 CPU \u4e3a\u4f8b\uff0c\u4e0b\u56fe\u662f\u67d0\u4e2a\u5b9e\u9645\u4e1a\u52a1\u573a\u666f\u4e0b\u5bb9\u5668\u7684\u8d44\u6e90\u9884\u7559(Request)\u548c\u5b9e\u9645\u4f7f\u7528\u91cf(CPU_Usage)\u5173\u7cfb\u56fe\uff1a\u8d44\u6e90\u9884\u7559\u8fdc\u5927\u4e8e\u5b9e\u9645\u4f7f\u7528\u91cf\uff0c\u4e24\u8005\u4e4b\u95f4\u5dee\u503c\u6240\u5bf9\u5e94\u7684\u8d44\u6e90\u4e0d\u80fd\u88ab\u5176\u4ed6\u8d1f\u8f7d\u4f7f\u7528\uff0c\u56e0\u6b64 Request \u8bbe\u7f6e\u8fc7\u5927\u52bf\u5fc5\u4f1a\u9020\u6210\u8f83\u5927\u7684\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n<p style=\"text-align: center\">\n<p>\u5982\u4f55\u89e3\u51b3\u8fd9\u6837\u7684\u95ee\u9898?\u73b0\u9636\u6bb5\u9700\u8981\u7528\u6237\u81ea\u5df1\u6839\u636e\u5b9e\u9645\u7684\u8d1f\u8f7d\u60c5\u51b5\u8bbe\u7f6e\u66f4\u5408\u7406\u7684 Request\u3001\u4ee5\u53ca\u9650\u5236\u4e1a\u52a1\u5bf9\u8d44\u6e90\u7684\u65e0\u9650\u8bf7\u6c42\uff0c\u9632\u6b62\u8d44\u6e90\u88ab\u67d0\u4e9b\u4e1a\u52a1\u8fc7\u5ea6\u5360\u7528\u3002\u8fd9\u91cc\u53ef\u4ee5\u53c2\u8003\u540e\u6587\u4e2d\u7684 Request Quota \u548c Limit Ranges \u7684\u8bbe\u7f6e\u3002<\/p>\n<h4>2\u3001 \u4e1a\u52a1\u8d44\u6e90\u6ce2\u5cf0\u6ce2\u8c37\u73b0\u8c61\u666e\u904d\uff0c\u901a\u5e38\u6ce2\u8c37\u65f6\u95f4\u5927\u4e8e\u6ce2\u5cf0\u65f6\u95f4\uff0c\u8d44\u6e90\u6d6a\u8d39\u660e\u663e<\/h4>\n<p>\u5927\u591a\u6570\u4e1a\u52a1\u5b58\u5728\u6ce2\u5cf0\u6ce2\u8c37\uff0c\u4f8b\u5982\u516c\u4ea4\u7cfb\u7edf\u901a\u5e38\u5728\u767d\u5929\u8d1f\u8f7d\u589e\u52a0\uff0c\u591c\u665a\u8d1f\u8f7d\u51cf\u5c11;\u6e38\u620f\u4e1a\u52a1\u901a\u5e38\u5728\u5468\u4e94\u665a\u4e0a\u5f00\u59cb\u51fa\u73b0\u6ce2\u5cf0\uff0c\u5728\u5468\u65e5\u665a\u5f00\u59cb\u51fa\u73b0\u6ce2\u8c37\u3002<\/p>\n<p>\u5982\u4e0b\u56fe\u6240\u793a\uff1a\u540c\u4e00\u4e1a\u52a1\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u6bb5\u5bf9\u8d44\u6e90\u7684\u8bf7\u6c42\u91cf\u4e0d\u540c\uff0c\u5982\u679c\u7528\u6237\u8bbe\u7f6e\u7684\u662f\u56fa\u5b9a\u7684 Request\uff0c\u4e1a\u52a1\u5728\u8d1f\u8f7d\u8f83\u4f4e\u65f6\u5229\u7528\u7387\u5f88\u4f4e\u3002<\/p>\n<p style=\"text-align: center\">\n<p>\u8fd9\u65f6\u53ef\u4ee5\u901a\u8fc7\u52a8\u6001\u8c03\u6574\u526f\u672c\u6570\uff0c\u4ee5\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u627f\u8f7d\u4e1a\u52a1\u7684\u6ce2\u5cf0\u6ce2\u8c37\uff0c\u53ef\u4ee5\u53c2\u8003k8s\u539f\u751f\u63d0\u4f9b\u7684HPA \u3002<\/p>\n<h4>3\u3001\u4e0d\u540c\u7c7b\u578b\u7684\u4e1a\u52a1\uff0c\u5bfc\u81f4\u8d44\u6e90\u5229\u7528\u7387\u6709\u8f83\u5927\u5dee\u5f02<\/h4>\n<p>\u5728\u7ebf\u4e1a\u52a1\u901a\u5e38\u767d\u5929\u8d1f\u8f7d\u8f83\u9ad8\uff0c\u5bf9\u65f6\u5ef6\u8981\u6c42\u8f83\u9ad8\uff0c\u5fc5\u987b\u4f18\u5148\u8c03\u5ea6\u548c\u8fd0\u884c;\u800c\u79bb\u7ebf\u7684\u8ba1\u7b97\u578b\u4e1a\u52a1\u901a\u5e38\u5bf9\u8fd0\u884c\u65f6\u6bb5\u548c\u65f6\u5ef6\u8981\u6c42\u76f8\u5bf9\u8f83\u4f4e\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u5728\u5728\u7ebf\u4e1a\u52a1\u6ce2\u8c37\u65f6\u8fd0\u884c\u3002\u6b64\u5916\uff0c\u6709\u4e9b\u4e1a\u52a1\u5c5e\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\uff0c\u5bf9 CPU \u8d44\u6e90\u6d88\u8017\u8f83\u591a\uff0c\u800c\u6709\u4e9b\u4e1a\u52a1\u5c5e\u4e8e\u5185\u5b58\u5bc6\u96c6\u578b\uff0c\u5bf9\u5185\u5b58\u6d88\u8017\u8f83\u591a\u3002<\/p>\n<p style=\"text-align: center\">\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u901a\u8fc7\u5728\u79bb\u7ebf\u6df7\u90e8\u53ef\u4ee5\u52a8\u6001\u8c03\u5ea6\u79bb\u7ebf\u4e1a\u52a1\u548c\u5728\u7ebf\u4e1a\u52a1\uff0c\u8ba9\u4e0d\u540c\u7c7b\u578b\u4e1a\u52a1\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u6bb5\u8fd0\u884c\u4ee5\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002\u5bf9\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\u4e1a\u52a1\u548c\u5185\u5b58\u5bc6\u96c6\u578b\u4e1a\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4eb2\u548c\u6027\u8c03\u5ea6\uff0c\u4e3a\u4e1a\u52a1\u5206\u914d\u66f4\u5408\u9002\u7684\u8282\u70b9\uff0c\u4ee5\u53ca\u901a\u8fc7taints\/tolerations \u7b56\u7565\u9694\u79bb\u67d0\u4e9bnode\u7ed9\u7279\u5b9a\u7684\u4e1a\u52a1\u573a\u666f\u4f7f\u7528\uff0c\u6709\u6548\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<h3>\u4e8c\u3001 \u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u7684\u65b9\u6cd5<\/h3>\n<p>\u4e3b\u8981\u4ece\u4e24\u65b9\u9762\u7740\u624b\uff1a\u4e00\u662f\u5229\u7528\u539f\u751f\u7684 Kubernetes \u80fd\u529b\u624b\u52a8\u8fdb\u884c\u8d44\u6e90\u7684\u5212\u5206\u548c\u9650\u5236;\u4e8c\u662f\u7ed3\u5408\u4e1a\u52a1\u7279\u6027\u7684\u81ea\u52a8\u5316\u65b9\u6848\u3002\u8fd9\u91cc\u6682\u65f6\u4ecb\u7ecd\u5229\u7528k8s\u539f\u751f\u80fd\u529b\u8fdb\u884c\u8d44\u6e90\u7684\u5212\u5206\u548c\u9650\u5236\u3002<\/p>\n<h4>1\u3001 \u5982\u4f55\u8d44\u6e90\u5212\u5206\u548c\u9650\u5236<\/h4>\n<p>\u8bbe\u60f3\uff0c\u4f60\u662f\u4e2a\u96c6\u7fa4\u7ba1\u7406\u5458\uff0c\u73b0\u5728\u67094\u4e2a\u4e1a\u52a1\u90e8\u95e8\u4f7f\u7528\u540c\u4e00\u4e2a\u96c6\u7fa4\uff0c\u4f60\u7684\u8d23\u4efb\u662f\u4fdd\u8bc1\u4e1a\u52a1\u7a33\u5b9a\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u8ba9\u4e1a\u52a1\u771f\u6b63\u505a\u5230\u8d44\u6e90\u7684\u6309\u9700\u4f7f\u7528\u3002\u4e3a\u4e86\u6709\u6548\u63d0\u5347\u96c6\u7fa4\u6574\u4f53\u7684\u8d44\u6e90\u5229\u7528\u7387\uff0c\u8fd9\u65f6\u5c31\u9700\u8981\u9650\u5236\u5404\u4e1a\u52a1\u4f7f\u7528\u8d44\u6e90\u7684\u4e0a\u9650\uff0c\u4ee5\u53ca\u901a\u8fc7\u4e00\u4e9b\u9ed8\u8ba4\u503c\u9632\u6b62\u4e1a\u52a1\u8fc7\u91cf\u4f7f\u7528\u3002<\/p>\n<p>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u4e1a\u52a1\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\uff0c\u8bbe\u7f6e\u5408\u7406\u7684 Request \u548c Limit\u3002(Request \u7528\u4e8e\u5bf9\u8d44\u6e90\u7684\u5360\u4f4d\uff0c\u8868\u793a\u5bb9\u5668\u81f3\u5c11\u53ef\u4ee5\u83b7\u5f97\u7684\u8d44\u6e90;Limit \u7528\u4e8e\u5bf9\u8d44\u6e90\u7684\u9650\u5236\uff0c\u8868\u793a\u5bb9\u5668\u81f3\u591a\u53ef\u4ee5\u83b7\u5f97\u7684\u8d44\u6e90\u3002)\u8fd9\u6837\u66f4\u5229\u4e8e\u5bb9\u5668\u7684\u5065\u5eb7\u8fd0\u884c\u3001\u8d44\u6e90\u7684\u5145\u5206\u4f7f\u7528\u3002\u4f46\u5b9e\u9645\u4e0a\u7528\u6237\u7ecf\u5e38\u5fd8\u8bb0\u8bbe\u7f6e\u5bb9\u5668\u5bf9\u8d44\u6e90\u7684 Request \u548c Limit\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u5171\u4eab\u4f7f\u7528\u4e00\u4e2a\u96c6\u7fa4\u7684\u56e2\u961f\/\u9879\u76ee\u6765\u8bf4\uff0c\u4ed6\u4eec\u901a\u5e38\u90fd\u5c06\u81ea\u5df1\u5bb9\u5668\u7684 Request \u548c Limit \u8bbe\u7f6e\u5f97\u5f88\u9ad8\u4ee5\u4fdd\u8bc1\u81ea\u5df1\u670d\u52a1\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<p style=\"text-align: center\">\n<p>\u4e3a\u4e86\u66f4\u7ec6\u7c92\u5ea6\u7684\u5212\u5206\u548c\u7ba1\u7406\u8d44\u6e90\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u547d\u540d\u7a7a\u95f4\u7ea7\u522b\u7684 Resource Quota \u4ee5\u53ca Limit Ranges\u3002<\/p>\n<h4>2\u3001 \u4f7f\u7528 Resource Quota \u5212\u5206\u8d44\u6e90<\/h4>\n<p>\u5982\u679c\u4f60\u7ba1\u7406\u7684\u67d0\u4e2a\u96c6\u7fa4\u67094\u4e2a\u4e1a\u52a1\uff0c\u4e3a\u4e86\u5b9e\u73b0\u4e1a\u52a1\u95f4\u7684\u9694\u79bb\u548c\u8d44\u6e90\u7684\u9650\u5236\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u548c Resource Quota\u3002<\/p>\n<p>Resource Quota \u7528\u4e8e\u8bbe\u7f6e\u547d\u540d\u7a7a\u95f4\u8d44\u6e90\u7684\u4f7f\u7528\u914d\u989d\uff0c\u547d\u540d\u7a7a\u95f4\u662f Kubernetes \u96c6\u7fa4\u91cc\u9762\u7684\u4e00\u4e2a\u9694\u79bb\u5206\u533a\uff0c\u4e00\u4e2a\u96c6\u7fa4\u91cc\u9762\u901a\u5e38\u5305\u542b\u591a\u4e2a\u547d\u540d\u7a7a\u95f4\uff0c\u4f8b\u5982 Kubernetes \u7528\u6237\u901a\u5e38\u4f1a\u5c06\u4e0d\u540c\u7684\u4e1a\u52a1\u653e\u5728\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u91cc\uff0c\u4f60\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u8bbe\u7f6e\u4e0d\u540c\u7684 Resource Quota\uff0c\u4ee5\u9650\u5236\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u5bf9\u96c6\u7fa4\u6574\u4f53\u8d44\u6e90\u7684\u4f7f\u7528\u91cf\uff0c\u8fbe\u5230\u9884\u5206\u914d\u548c\u9650\u5236\u7684\u6548\u679c\u3002Resource Quota \u4e3b\u8981\u4f5c\u7528\u4e8e\u5982\u4e0b\u65b9\u9762\uff0c\u5177\u4f53\u53ef\u67e5\u770b(https:\/\/kubernetes.io\/docs\/concepts\/policy\/resource-quotas\/)\u3002<\/p>\n<ul>\n<li><strong>\u8ba1\u7b97\u8d44\u6e90\uff1a<\/strong>\u6240\u6709\u5bb9\u5668\u5bf9 CPU \u548c \u5185\u5b58\u7684 Request \u4ee5\u53ca Limit \u7684\u603b\u548c\u3002<\/li>\n<li><strong>\u5b58\u50a8\u8d44\u6e90\uff1a<\/strong>\u6240\u6709 PVC \u7684\u5b58\u50a8\u8d44\u6e90\u8bf7\u6c42\u603b\u548c\u3002<\/li>\n<li><strong>\u5bf9\u8c61\u6570\u91cf\uff1a<\/strong>PVC\/Service\/Configmap\/Deployment\u7b49\u8d44\u6e90\u5bf9\u8c61\u6570\u91cf\u7684\u603b\u548c\u3002<\/li>\n<\/ul>\n<h4>Resource Quota \u4f7f\u7528\u573a\u666f<\/h4>\n<ul>\n<li>\u7ed9\u4e0d\u540c\u7684\u9879\u76ee\/\u56e2\u961f\/\u4e1a\u52a1\u5206\u914d\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u901a\u8fc7\u8bbe\u7f6e\u6bcf\u4e2a\u547d\u540d\u7a7a\u95f4\u8d44\u6e90\u7684 Resource Quota \u4ee5\u8fbe\u5230\u8d44\u6e90\u5206\u914d\u7684\u76ee\u7684\u3002<\/li>\n<li>\u8bbe\u7f6e\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u7684\u8d44\u6e90\u4f7f\u7528\u6570\u91cf\u7684\u4e0a\u9650\u4ee5\u63d0\u9ad8\u96c6\u7fa4\u7684\u7a33\u5b9a\u6027\uff0c\u9632\u6b62\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u5bf9\u8d44\u6e90\u7684\u8fc7\u5ea6\u4fb5\u5360\u548c\u6d88\u8017\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e2a\u811a\u672c\uff0c\u6765\u4e3a\u96c6\u7fa4\u5404\u547d\u540d\u7a7a\u95f4\u8bbe\u7f6e\u521d\u59cb\u7684Resource Quota\u3002<\/p>\n<p>\u300c\u8bf4\u660e\u300d\uff1a\u8be5\u811a\u672c\u501f\u52a9kubectl-view-allocations \u63d2\u4ef6\u83b7\u53d6\u96c6\u7fa4\u5404\u4e2a\u547d\u540d\u7a7a\u95f4\u5f53\u524d\u6240\u6709pod\u6240\u8bbe\u7f6e\u7684request\u548climit\u603b\u548c\uff0c\u7136\u540e\u5728\u6b64\u57fa\u7840\u4e4b\u4e0a\u4e0a\u6d6e30%\u7528\u4e8e\u8bbe\u7f6e\u547d\u540d\u7a7a\u95f4\u7684request\u548climit Resource Quota\u3002<\/p>\n<p>\u540e\u7eed\u53ef\u901a\u8fc7\u96c6\u7fa4\u5177\u4f53\u60c5\u51b5\uff0c\u8c03\u6574\u5bf9\u5e94\u914d\u7f6e\u3002<\/p>\n<p>\u4f7f\u7528\u8bf4\u660e\uff1a<\/p>\n<pre><span style=\"margin: 0px;padding: 0px\">wget<\/span> <span style=\"margin: 0px;padding: 0px\">https<\/span>:<span style=\"margin: 0px;padding: 0px\">\/\/my-repo-1255440668.cos.ap-chengdu.myqcloud.com\/ops\/ResourceQuota-install.tar.gz<\/span><br><span style=\"margin: 0px;padding: 0px\">tar<\/span> <span style=\"margin: 0px;padding: 0px\">-<\/span><span style=\"margin: 0px;padding: 0px\">xvf<\/span> <span style=\"margin: 0px;padding: 0px\">ResourceQuota<\/span><span style=\"margin: 0px;padding: 0px\">-<\/span><span style=\"margin: 0px;padding: 0px\">install<\/span>.<span style=\"margin: 0px;padding: 0px\">tar<\/span>.<span style=\"margin: 0px;padding: 0px\">gz<\/span><br><span style=\"margin: 0px;padding: 0px\">cd<\/span> <span style=\"margin: 0px;padding: 0px\">ResourceQuota<\/span><span style=\"margin: 0px;padding: 0px\">-<\/span><span style=\"margin: 0px;padding: 0px\">install<\/span> <span style=\"margin: 0px;padding: 0px\">&amp;&amp;<\/span> <span style=\"margin: 0px;padding: 0px\">bash<\/span> <span style=\"margin: 0px;padding: 0px\">install<\/span>.<span style=\"margin: 0px;padding: 0px\">sh<\/span><\/pre>\n<p>\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u4f1a\u5728\u5f53\u524d\u76ee\u5f55\u751f\u6210\u4e00\u4e2aresourceQuota\u76ee\u5f55\u548climitrange\u76ee\u5f55\uff0c\u91cc\u9762\u5305\u542b\u5404\u4e2a\u547d\u540d\u7a7a\u95f4\u7684ResourceQuota.yaml\u6587\u4ef6\uff0c\u4fbf\u4e8e\u540e\u7eed\u6839\u636e\u96c6\u7fa4\u5b9e\u9645\u60c5\u51b5\uff0c\u8fdb\u884c\u5bf9\u5e94\u8c03\u6574,\u8c03\u6574\u4e4b\u540e\u518d\u6839\u636e\u9700\u8981\u8fdb\u884capply\u3002<\/p>\n<p style=\"text-align: center\">\n<p><strong>\u3010\u6ce8\u610f\u3011\uff1a<\/strong>\u5982\u679c\u547d\u540d\u7a7a\u95f4request\u548climit\u603b\u548c\u8d85\u8fc7\u4e86\u6240\u8bbe\u7f6e\u7684resourceQuota\uff0c\u90a3\u4e48\u5c06\u65e0\u6cd5\u65b0\u5efapod\uff0c\u800c\u4e14\u8bbe\u7f6e\u4e86resourceQuota\u540e\uff0cpod\u5fc5\u987b\u914d\u7f6e\u201climits.cpu,limits.memory,requests.cpu,requests.memory\u201d\uff0c\u5426\u5219\u4e5f\u65e0\u6cd5\u6b63\u5e38\u90e8\u7f72\uff0c\u67e5\u770bevent\u4f1a\u63d0\u793a\u5982\u4e0b\u62a5\u9519\uff1a<\/p>\n<p style=\"text-align: center\">\n<p>\u540c\u65f6\u53ef\u901a\u8fc7\u76d1\u63a7\u67e5\u770b\u8be5ns\u7684\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u662f\u5426\u5408\u7406\uff0c\u8c03\u6574\u539f\u6709\u5404pod\u7684request\u548climit\uff0c\u4ee5\u53ca\u6839\u636e\u60c5\u51b5\u8c03\u6574\u6240\u8bbe\u7f6e\u7684resourceQuota\u3002<\/p>\n<p>CI\u914d\u7f6ereques\u548climit\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>yaml\u6e32\u67d3\u914d\u7f6e\u5982\u4e0b(\u5176\u4e2dresources\u5b57\u6bb5)\uff1a<\/p>\n<p>\u3010\u63a8\u8350\u914d\u7f6e\u3011\uff1a<\/p>\n<p>java\u670d\u52a1\uff1arequest\u548climit\u914d\u7f6e\u540c\u6837\u7684\u503c\u3002<\/p>\n<p>golang\/python\u670d\u52a1\uff1arequest\u548climit\u914d\u7f6e\u4e3a1\uff1a2\u3002<\/p>\n<pre><span style=\"margin: 0px;padding: 0px\">#\u63a8\u8350\u914d\u7f6e\uff1a<\/span><br><span style=\"margin: 0px;padding: 0px\">#java\u670d\u52a1\uff1arequest\u548climit\u914d\u7f6e\u540c\u6837\u7684\u503c<\/span><br><span style=\"margin: 0px;padding: 0px\">#golang<\/span><span style=\"margin: 0px;padding: 0px\">\/<\/span><span style=\"margin: 0px;padding: 0px\">python\u670d\u52a1\uff1arequest\u548climit\u914d\u7f6e\u4e3a1\uff1a2<\/span><br><span style=\"margin: 0px;padding: 0px\">resources<\/span>:<br>  <span style=\"margin: 0px;padding: 0px\">cpu<\/span>: <span style=\"margin: 0px;padding: 0px\">500<\/span><span style=\"margin: 0px;padding: 0px\">\/<\/span><span style=\"margin: 0px;padding: 0px\">1000<\/span><span style=\"margin: 0px;padding: 0px\">m<\/span><br>  <span style=\"margin: 0px;padding: 0px\">memory<\/span>: <span style=\"margin: 0px;padding: 0px\">500<\/span><span style=\"margin: 0px;padding: 0px\">\/<\/span><span style=\"margin: 0px;padding: 0px\">1000<\/span><span style=\"margin: 0px;padding: 0px\">Mi<\/span><\/pre>\n<h4>3\u3001 \u4f7f\u7528 Limit Ranges \u9650\u5236\u8d44\u6e90<\/h4>\n<p>\u7528\u6237\u7ecf\u5e38\u5fd8\u8bb0\u8bbe\u7f6e\u8d44\u6e90\u7684 Request \u548c Limit\uff0c\u6216\u8005\u5c06\u503c\u8bbe\u7f6e\u5f97\u5f88\u5927\u600e\u4e48\u529e?\u4f5c\u4e3a\u7ba1\u7406\u5458\uff0c\u5982\u679c\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u4e1a\u52a1\u8bbe\u7f6e\u4e0d\u540c\u8d44\u6e90\u4f7f\u7528\u9ed8\u8ba4\u503c\u4ee5\u53ca\u8303\u56f4\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u4e1a\u52a1\u521b\u5efa\u65f6\u7684\u5de5\u4f5c\u91cf\u540c\u65f6\uff0c\u9650\u5236\u4e1a\u52a1\u5bf9\u8d44\u6e90\u7684\u8fc7\u5ea6\u4fb5\u5360\u3002<\/p>\n<p>\u4e0e Resource Quota \u5bf9\u547d\u540d\u7a7a\u95f4\u6574\u4f53\u7684\u8d44\u6e90\u9650\u5236\u4e0d\u540c\uff0cLimit Ranges \u9002\u7528\u4e8e\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u4e0b\u7684\u5355\u4e2a\u5bb9\u5668\u3002\u53ef\u4ee5\u9632\u6b62\u7528\u6237\u5728\u547d\u540d\u7a7a\u95f4\u5185\u521b\u5efa\u5bf9\u8d44\u6e90\u7533\u8bf7\u8fc7\u5c0f\u6216\u8fc7\u5927\u5bb9\u5668\uff0c\u9632\u6b62\u7528\u6237\u5fd8\u8bb0\u8bbe\u7f6e\u5bb9\u5668\u7684 Request \u548c Limit\u3002Limit Ranges \u4e3b\u8981\u4f5c\u7528\u4e8e\u5982\u4e0b\u65b9\u9762\uff0c\u5177\u4f53\u53ef\u67e5\u770b(https:\/\/kubernetes.io\/zh\/docs\/concepts\/policy\/resource-quotas\/)\u3002<\/p>\n<ol>\n<li><strong>\u8ba1\u7b97\u8d44\u6e90\uff1a<\/strong>\u5bf9\u6240\u6709\u5bb9\u5668\u8bbe\u7f6e CPU \u548c\u5185\u5b58\u4f7f\u7528\u91cf\u7684\u8303\u56f4\u3002<\/li>\n<li><strong>\u5b58\u50a8\u8d44\u6e90\uff1a<\/strong>\u5bf9\u6240\u6709 PVC \u80fd\u7533\u8bf7\u7684\u5b58\u50a8\u7a7a\u95f4\u7684\u8303\u56f4\u3002<\/li>\n<li><strong>\u6bd4\u4f8b\u8bbe\u7f6e\uff1a<\/strong>\u63a7\u5236\u4e00\u79cd\u8d44\u6e90 Request \u548c Limit \u4e4b\u95f4\u6bd4\u4f8b\u3002<\/li>\n<li><strong>\u9ed8\u8ba4\u503c\uff1a<\/strong>\u5bf9\u6240\u6709\u5bb9\u5668\u8bbe\u7f6e\u9ed8\u8ba4\u7684 Request\/Limit\uff0c\u5982\u679c\u5bb9\u5668\u672a\u6307\u5b9a\u81ea\u5df1\u7684\u5185\u5b58\u8bf7\u6c42\u548c\u9650\u5236\uff0c\u5c06\u4e3a\u5b83\u6307\u5b9a\u9ed8\u8ba4\u7684\u5185\u5b58\u8bf7\u6c42\u548c\u9650\u5236\u3002<\/li>\n<\/ol>\n<h4>Limit Ranges \u4f7f\u7528\u573a\u666f<\/h4>\n<p>\u8bbe\u7f6e\u8d44\u6e90\u4f7f\u7528\u9ed8\u8ba4\u503c\uff0c\u4ee5\u9632\u7528\u6237\u9057\u5fd8\uff0c\u4e5f\u53ef\u4ee5\u907f\u514d QoS \u9a71\u9010\u91cd\u8981\u7684 Pod\u3002<\/p>\n<p>\u4e0d\u540c\u7684\u4e1a\u52a1\u901a\u5e38\u8fd0\u884c\u5728\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u91cc\uff0c\u4e0d\u540c\u7684\u4e1a\u52a1\u901a\u5e38\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u4e0d\u540c\uff0c\u4e3a\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u8bbe\u7f6e\u4e0d\u540c\u7684 Request\/Limit \u53ef\u4ee5\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<p>\u9650\u5236\u5bb9\u5668\u5bf9\u8d44\u6e90\u4f7f\u7528\u7684\u4e0a\u4e0b\u9650\uff0c\u4fdd\u8bc1\u5bb9\u5668\u6b63\u5e38\u8fd0\u884c\u7684\u60c5\u51b5\u4e0b\uff0c\u9650\u5236\u5176\u8bf7\u6c42\u8fc7\u591a\u8d44\u6e90\u3002<\/p>\n<h4>4\u3001\u8c03\u5ea6\u7b56\u7565<\/h4>\n<p>Kubernetes \u8c03\u5ea6\u673a\u5236\u662f Kubernetes \u539f\u751f\u63d0\u4f9b\u7684\u4e00\u79cd\u9ad8\u6548\u4f18\u96c5\u7684\u8d44\u6e90\u5206\u914d\u673a\u5236\uff0c\u5b83\u7684\u6838\u5fc3\u529f\u80fd\u662f\u4e3a\u6bcf\u4e2a Pod \u627e\u5230\u6700\u9002\u5408\u5b83\u7684\u8282\u70b9\uff0c\u901a\u8fc7\u5408\u7406\u5229\u7528 Kubernetes \u63d0\u4f9b\u7684\u8c03\u5ea6\u80fd\u529b\uff0c\u6839\u636e\u4e1a\u52a1\u7279\u6027\u914d\u7f6e\u5408\u7406\u7684\u8c03\u5ea6\u7b56\u7565\uff0c\u4e5f\u80fd\u6709\u6548\u63d0\u9ad8\u96c6\u7fa4\u4e2d\u7684\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<h4>4.1 \u8282\u70b9\u4eb2\u548c\u6027<\/h4>\n<h4>\u8bf4\u660e<\/h4>\n<p>\u5018\u82e5\u4f60\u7684\u67d0\u4e2a\u4e1a\u52a1\u662f CPU \u5bc6\u96c6\u578b\uff0c\u4e0d\u5c0f\u5fc3\u88ab Kubernetes \u7684\u8c03\u5ea6\u5668\u8c03\u5ea6\u5230\u5185\u5b58\u5bc6\u96c6\u578b\u7684\u8282\u70b9\u4e0a\uff0c\u5bfc\u81f4\u5185\u5b58\u5bc6\u96c6\u578b\u7684 CPU \u88ab\u5360\u6ee1\uff0c\u4f46\u5185\u5b58\u51e0\u4e4e\u6ca1\u600e\u4e48\u7528\uff0c\u4f1a\u9020\u6210\u8f83\u5927\u7684\u8d44\u6e90\u6d6a\u8d39\u3002\u5982\u679c\u4f60\u80fd\u4e3a\u8282\u70b9\u8bbe\u7f6e\u4e00\u4e2a\u6807\u8bb0\uff0c\u8868\u660e\u8fd9\u662f\u4e00\u4e2a CPU \u5bc6\u96c6\u578b\u7684\u8282\u70b9\uff0c\u7136\u540e\u5728\u521b\u5efa\u4e1a\u52a1\u8d1f\u8f7d\u65f6\u4e5f\u8bbe\u7f6e\u4e00\u4e2a\u6807\u8bb0\uff0c\u8868\u660e\u8fd9\u4e2a\u8d1f\u8f7d\u662f\u4e00\u4e2a CPU \u5bc6\u96c6\u578b\u7684\u8d1f\u8f7d\uff0cKubernetes \u7684\u8c03\u5ea6\u5668\u4f1a\u5c06\u8fd9\u4e2a\u8d1f\u8f7d\u8c03\u5ea6\u5230 CPU \u5bc6\u96c6\u578b\u7684\u8282\u70b9\u4e0a\uff0c\u8fd9\u79cd\u5bfb\u627e\u6700\u5408\u9002\u7684\u8282\u70b9\u7684\u65b9\u5f0f\uff0c\u5c06\u6709\u6548\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<p>\u521b\u5efa Pod \u65f6\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8282\u70b9\u4eb2\u548c\u6027\uff0c\u5373\u6307\u5b9a Pod \u60f3\u8981\u8c03\u5ea6\u5230\u54ea\u4e9b\u8282\u70b9\u4e0a(\u8fd9\u4e9b\u8282\u70b9\u662f\u901a\u8fc7 K8s Label)\u6765\u6307\u5b9a\u7684\u3002<\/p>\n<h3>\u8282\u70b9\u4eb2\u548c\u6027\u4f7f\u7528\u573a\u666f<\/h3>\n<p>\u8282\u70b9\u4eb2\u548c\u6027\u975e\u5e38\u9002\u5408\u5728\u4e00\u4e2a\u96c6\u7fa4\u4e2d\u6709\u4e0d\u540c\u8d44\u6e90\u9700\u6c42\u7684\u5de5\u4f5c\u8d1f\u8f7d\u540c\u65f6\u8fd0\u884c\u7684\u573a\u666f\u3002\u6bd4\u5982\u8bf4\uff0ck8s\u96c6\u7fa4\u8282\u70b9\u6709 CPU \u5bc6\u96c6\u578b\u7684\u673a\u5668\uff0c\u4e5f\u6709\u5185\u5b58\u5bc6\u96c6\u578b\u7684\u673a\u5668\u3002\u5982\u679c\u67d0\u4e9b\u4e1a\u52a1\u5bf9 CPU \u7684\u9700\u6c42\u8fdc\u5927\u4e8e\u5185\u5b58\uff0c\u6b64\u65f6\u4f7f\u7528\u666e\u901a\u7684 \u8282\u70b9 \u673a\u5668\uff0c\u52bf\u5fc5\u4f1a\u5bf9\u5185\u5b58\u9020\u6210\u8f83\u5927\u6d6a\u8d39\u3002\u6b64\u65f6\u53ef\u4ee5\u5728\u96c6\u7fa4\u91cc\u6dfb\u52a0\u4e00\u6279 CPU \u5bc6\u96c6\u578b\u7684 \u8282\u70b9\uff0c\u5e76\u4e14\u628a\u8fd9\u4e9b\u5bf9 CPU \u6709\u8f83\u9ad8\u9700\u6c42\u7684 Pod \u8c03\u5ea6\u5230\u8fd9\u4e9b \u8282\u70b9\u4e0a\uff0c\u8fd9\u6837\u53ef\u4ee5\u63d0\u5347 \u8282\u70b9 \u8d44\u6e90\u7684\u6574\u4f53\u5229\u7528\u7387\u3002\u540c\u7406\uff0c\u8fd8\u53ef\u4ee5\u5728\u96c6\u7fa4\u4e2d\u7ba1\u7406\u5f02\u6784\u8282\u70b9(\u6bd4\u5982 GPU \u673a\u5668)\uff0c\u5728\u9700\u8981 GPU \u8d44\u6e90\u7684\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\u6307\u5b9a\u9700\u8981GPU\u8d44\u6e90\u7684\u91cf\uff0c\u8c03\u5ea6\u673a\u5236\u5219\u4f1a\u5e2e\u52a9\u4f60\u5bfb\u627e\u5408\u9002\u7684\u8282\u70b9\u53bb\u8fd0\u884c\u8fd9\u4e9b\u5de5\u4f5c\u8d1f\u8f7d\u3002<\/p>\n<h4>4.2 Taints\u548cTolerations(\u6c61\u70b9\u548c\u5bb9\u5fcd)<\/h4>\n<h4>\u8bf4\u660e<\/h4>\n<p>\u6211\u4eec\u8bf4\u5230\u7684\u7684NodeAffinity\u8282\u70b9\u4eb2\u548c\u6027\uff0c\u662f\u5728pod\u4e0a\u5b9a\u4e49\u7684\u4e00\u79cd\u5c5e\u6027\uff0c\u4f7f\u5f97Pod\u80fd\u591f\u88ab\u8c03\u5ea6\u5230\u67d0\u4e9bnode\u4e0a\u8fd0\u884c\u3002Taint\u521a\u597d\u76f8\u53cd\uff0c\u5b83\u8ba9Node\u62d2\u7eddPod\u7684\u8fd0\u884c\u3002<\/p>\n<p>Taint\u9700\u8981\u4e0eToleration\u914d\u5408\u4f7f\u7528\uff0c\u8ba9pod\u907f\u5f00\u90a3\u4e9b\u4e0d\u5408\u9002\u7684node\u3002\u5728node\u4e0a\u8bbe\u7f6e\u4e00\u4e2a\u6216\u591a\u4e2aTaint\u540e\uff0c\u9664\u975epod\u660e\u786e\u58f0\u660e\u80fd\u591f\u5bb9\u5fcd\u8fd9\u4e9b\u201c\u6c61\u70b9\u201d\uff0c\u5426\u5219\u65e0\u6cd5\u5728\u8fd9\u4e9bnode\u4e0a\u8fd0\u884c\u3002Toleration\u662fpod\u7684\u5c5e\u6027\uff0c\u8ba9pod\u80fd\u591f(\u6ce8\u610f\uff0c\u53ea\u662f\u80fd\u591f\uff0c\u800c\u975e\u5fc5\u987b)\u8fd0\u884c\u5728\u6807\u6ce8\u4e86Taint\u7684node\u4e0a\u3002<\/p>\n<p>\u521b\u5efa Pod \u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eTaints\u548cTolerations\uff0c\u6765\u8ba9\u67d0\u4e9bnode\u53ea\u5141\u8bb8\u67d0\u4e9b\u7279\u5b9a\u7684pod\u3002<\/p>\n<h3>Taints\u548cTolerations\u573a\u666f<\/h3>\n<h4>\u8282\u70b9\u72ec\u5360<\/h4>\n<p>\u5982\u679c\u60f3\u8981\u62ff\u51fa\u4e00\u90e8\u5206\u8282\u70b9\uff0c\u4e13\u95e8\u7ed9\u7279\u5b9a\u7684\u5e94\u7528\u4f7f\u7528\uff0c\u5219\u53ef\u4ee5\u4e3a\u8282\u70b9\u6dfb\u52a0\u8fd9\u6837\u7684Taint\uff1a<\/p>\n<pre><span style=\"margin: 0px;padding: 0px\">kubectl<\/span> <span style=\"margin: 0px;padding: 0px\">taint<\/span> <span style=\"margin: 0px;padding: 0px\">nodes<\/span> <span style=\"margin: 0px;padding: 0px\">nodename<\/span> <span style=\"margin: 0px;padding: 0px\">dedicated<\/span><span style=\"margin: 0px;padding: 0px\">=<\/span><span style=\"margin: 0px;padding: 0px\">groupName<\/span>:<span style=\"margin: 0px;padding: 0px\">NoSchedule<\/span><\/pre>\n<p>\u7136\u540e\u7ed9\u8fd9\u4e9b\u5e94\u7528\u7684pod\u52a0\u5165\u76f8\u5e94\u7684toleration\uff0c\u5219\u5e26\u6709\u5408\u9002toleration\u7684pod\u5c31\u4f1a\u88ab\u5141\u8bb8\u540c\u4f7f\u7528\u5176\u4ed6\u8282\u70b9 \u4e00\u6837\u4f7f\u7528\u6709taint\u7684\u8282\u70b9\u3002\u7136\u540e\u518d\u5c06\u8fd9\u4e9bnode\u6253\u4e0a\u6307\u5b9a\u7684\u6807\u7b7e\uff0c\u518d\u901a\u8fc7nodeSelector\u6216\u8005\u4eb2\u548c\u6027\u8c03\u5ea6\u7684\u65b9\u5f0f\uff0c\u8981\u6c42\u8fd9\u4e9bpod\u5fc5\u987b\u8fd0\u884c\u5728\u6307\u5b9a\u6807\u7b7e\u7684\u8282\u70b9\u4e0a\u3002<\/p>\n<h4>\u5177\u6709\u7279\u6b8a\u786c\u4ef6\u8bbe\u5907\u7684\u8282\u70b9<\/h4>\n<p>\u5728\u96c6\u7fa4\u91cc\uff0c\u53ef\u80fd\u6709\u4e00\u5c0f\u90e8\u5206\u8282\u70b9\u5b89\u88c5\u4e86\u7279\u6b8a\u7684\u786c\u4ef6\u8bbe\u5907\uff0c\u6bd4\u5982GPU\u82af\u7247\u3002\u7528\u6237\u81ea\u7136\u4f1a\u5e0c\u671b\u628a\u4e0d\u9700\u8981\u5360\u7528\u8fd9\u7c7b\u786c\u4ef6\u7684pod\u6392\u9664\u5728\u5916\u3002\u4ee5\u786e\u4fdd\u5bf9\u8fd9\u7c7b\u786c\u4ef6\u6709\u9700\u6c42\u7684pod\u80fd\u591f\u987a\u5229\u8c03\u5ea6\u5230\u8fd9\u4e9b\u8282\u70b9\u4e0a\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u4e3a\u8282\u70b9\u8bbe\u7f6etaint\uff1a<\/p>\n<pre><span style=\"margin: 0px;padding: 0px\">kubectl<\/span> <span style=\"margin: 0px;padding: 0px\">taint<\/span> <span style=\"margin: 0px;padding: 0px\">nodes<\/span> <span style=\"margin: 0px;padding: 0px\">nodename<\/span> <span style=\"margin: 0px;padding: 0px\">special<\/span><span style=\"margin: 0px;padding: 0px\">=<\/span><span style=\"margin: 0px;padding: 0px\">true<\/span>:<span style=\"margin: 0px;padding: 0px\">NoSchedule<\/span><br><span style=\"margin: 0px;padding: 0px\">kubectl<\/span> <span style=\"margin: 0px;padding: 0px\">taint<\/span> <span style=\"margin: 0px;padding: 0px\">nodes<\/span> <span style=\"margin: 0px;padding: 0px\">nodename<\/span> <span style=\"margin: 0px;padding: 0px\">special<\/span><span style=\"margin: 0px;padding: 0px\">=<\/span><span style=\"margin: 0px;padding: 0px\">true<\/span>:<span style=\"margin: 0px;padding: 0px\">PreferNoSchedule<\/span><\/pre>\n<p>\u7136\u540e\u5728pod\u4e2d\u5229\u7528\u5bf9\u5e94\u7684toleration\u6765\u4fdd\u969c\u7279\u5b9a\u7684pod\u80fd\u591f\u4f7f\u7528\u7279\u5b9a\u7684\u786c\u4ef6\u3002\u7136\u540e\u540c\u6837\u7684\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6807\u7b7e\u6216\u8005\u5176\u4ed6\u7684\u4e00\u4e9b\u7279\u5f81\u6765\u5224\u65ad\u8fd9\u4e9bpod\uff0c\u5c06\u5176\u8c03\u5ea6\u5230\u8fd9\u4e9b\u7279\u5b9a\u786c\u4ef6\u7684\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n<h4>\u5e94\u5bf9\u8282\u70b9\u6545\u969c<\/h4>\n<p>\u5728\u8282\u70b9\u6545\u969c\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7TaintBasedEvictions\u529f\u80fd\u81ea\u52a8\u5c06\u8282\u70b9\u8bbe\u7f6eTaint\uff0c\u7136\u540e\u5c06pod\u9a71\u9010\u3002\u4f46\u662f\u5728\u4e00\u4e9b\u573a\u666f\u4e0b\uff0c\u6bd4\u5982\u8bf4\u7f51\u7edc\u6545\u969c\u9020\u6210\u7684master\u4e0enode\u5931\u8054\uff0c\u800c\u8fd9\u4e2anode\u4e0a\u8fd0\u884c\u4e86\u5f88\u591a\u672c\u5730\u72b6\u6001\u7684\u5e94\u7528\u5373\u4f7f\u7f51\u7edc\u6545\u969c\uff0c\u4e5f\u4ecd\u7136\u5e0c\u671b\u80fd\u591f\u6301\u7eed\u5728\u8be5\u8282\u70b9\u4e0a\u8fd0\u884c\uff0c\u671f\u671b\u7f51\u7edc\u80fd\u591f\u5feb\u901f\u6062\u590d\uff0c\u4ece\u800c\u907f\u514d\u4ece\u8fd9\u4e2anode\u4e0a\u88ab\u9a71\u9010\u3002Pod\u7684Toleration\u53ef\u4ee5\u8fd9\u6837\u5b9a\u4e49\uff1a<\/p>\n<pre><span style=\"margin: 0px;padding: 0px\">tolerations<\/span>:<br><span style=\"margin: 0px;padding: 0px\">-<\/span> <span style=\"margin: 0px;padding: 0px\">key<\/span>: <span style=\"margin: 0px;padding: 0px\">\"node.alpha.kubernetes.io\/unreachable\"<\/span><br>  <span style=\"margin: 0px;padding: 0px\">operator<\/span>: <span style=\"margin: 0px;padding: 0px\">\"Exists\"<\/span><br>  <span style=\"margin: 0px;padding: 0px\">effect<\/span>: <span style=\"margin: 0px;padding: 0px\">\"NoExecute\"<\/span><br>  <span style=\"margin: 0px;padding: 0px\">tolerationSeconds<\/span>: <span style=\"margin: 0px;padding: 0px\">6000<\/span><\/pre>\n<p>K8s\u96c6\u7fa4\u7a33\u5b9a\u6027\u63d0\u5347\u624b\u6bb5\uff0c\u6709\u5f88\u591a\uff0c\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u53ea\u662f\u67d0\u4e00\u79cd\uff0c\u540e\u7eed\u8fd8\u4f1a\u7ee7\u7eed\u8f93\u51fa\u5176\u4ed6\u624b\u6bb5\u7684\u5e94\u7528\u3002<\/p>\n<p><span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u7bc7\u5e26\u7ed9\u4f60K8s\u96c6\u7fa4\u7a33\u5b9a\u6027\u63d0\u5347\u624b\u6bb5 \u4f5c\u8005\uff1a\u51ac\u5b50\u5148\u751f 2022-03-22 08:52:40 \u4e91\u8ba1\u7b97 \u4e91\u539f\u751f K [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":224982,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-224981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-phone"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/224981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=224981"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/224981\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/224982"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=224981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=224981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=224981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}