{"id":20512,"date":"2026-06-10T11:38:05","date_gmt":"2026-06-10T03:38:05","guid":{"rendered":"https:\/\/ab123.xyz\/?p=20512"},"modified":"2026-06-10T11:38:05","modified_gmt":"2026-06-10T03:38:05","slug":"kubernetes-horizontal-pod-autoscaling-with-hpa-%e6%99%ba%e8%83%bd%e5%b7%a5%e5%85%b7%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/ab123.xyz\/?p=20512","title":{"rendered":"Kubernetes Horizontal Pod Autoscaling with HPA \u667a\u80fd\u5de5\u5177\u8be6\u89e3"},"content":{"rendered":"<p>\u5728\u4e91\u539f\u751f\u67b6\u6784\u4e2d\uff0cKubernetes Horizontal Pod Autoscaling\uff08HPA\uff09\u662f\u786e\u4fdd\u5e94\u7528\u5f39\u6027\u4f38\u7f29\u7684\u6838\u5fc3\u5de5\u5177\u3002\u5b83\u6839\u636e CPU\u3001\u5185\u5b58\u6216\u81ea\u5b9a\u4e49\u6307\u6807\u81ea\u52a8\u8c03\u6574 Pod \u526f\u672c\u6570\u91cf\uff0c\u4ece\u800c\u5728\u6d41\u91cf\u9ad8\u5cf0\u65f6\u4fdd\u6301\u6027\u80fd\uff0c\u5728\u4f4e\u8c37\u65f6\u8282\u7701\u8d44\u6e90\u3002\u672c\u6587\u4e3a\u60a8\u5168\u9762\u4ecb\u7ecd HPA \u7684\u529f\u80fd\u3001\u4f18\u52bf\u3001\u5e94\u7528\u573a\u666f\u53ca\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f Kubernetes HPA\uff1f<\/h2>\n<p>HPA \u662f Kubernetes \u5185\u7f6e\u7684\u81ea\u52a8\u5316\u4f38\u7f29\u673a\u5236\uff0c\u901a\u8fc7\u76d1\u63a7\u76ee\u6807\u8d44\u6e90\u5229\u7528\u7387\uff08\u5982 CPU \u5e73\u5747\u4f7f\u7528\u7387\uff09\u6216\u81ea\u5b9a\u4e49\u6307\u6807\uff08\u5982 QPS\u3001\u8bf7\u6c42\u5ef6\u8fdf\uff09\uff0c\u52a8\u6001\u4fee\u6539 Deployment \u6216 StatefulSet \u7684\u526f\u672c\u6570\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u63a7\u5236\u5faa\u73af\uff1a\u6bcf\u9694 15 \u79d2\uff08\u9ed8\u8ba4\uff09\u68c0\u67e5\u6307\u6807\uff0c\u82e5\u5f53\u524d\u6307\u6807\u8d85\u51fa\u6216\u4f4e\u4e8e\u76ee\u6807\u9608\u503c\uff0c\u5219\u89e6\u53d1\u6269\u7f29\u5bb9\u64cd\u4f5c\u3002<a href=\"https:\/\/kubernetes.io\/docs\/tasks\/run-application\/horizontal-pod-autoscale\/\" target=\"_blank\">\u5b98\u65b9\u7f51\u7ad9<\/a>\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684 API \u6587\u6863\u548c\u793a\u4f8b\u3002<\/p>\n<h3>\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u6307\u6807\u7c7b\u578b<\/h3>\n<ul>\n<li>\u8d44\u6e90\u6307\u6807\uff1aCPU \u548c\u5185\u5b58\uff0c\u7531 metrics-server \u91c7\u96c6\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49\u6307\u6807\uff1a\u901a\u8fc7 Prometheus Adapter \u6216\u81ea\u5b9a\u4e49 API \u63d0\u4f9b\uff0c\u4f8b\u5982\u6bcf\u79d2\u8bf7\u6c42\u6570\u3002<\/li>\n<li>\u5916\u90e8\u6307\u6807\uff1a\u6765\u81ea\u4e91\u670d\u52a1\u5546\u6216\u5916\u90e8\u7cfb\u7edf\uff0c\u5982 AWS SQS \u961f\u5217\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<h2>HPA \u7684\u4e3b\u8981\u4f18\u52bf<\/h2>\n<p>\u81ea\u52a8\u5316\u7684\u5f39\u6027\u4f38\u7f29\u663e\u8457\u63d0\u5347\u8fd0\u7ef4\u6548\u7387\uff0c\u51cf\u5c11\u4eba\u5de5\u5e72\u9884\u3002\u5177\u4f53\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6210\u672c\u4f18\u5316\uff1a\u5728\u4f4e\u8d1f\u8f7d\u65f6\u81ea\u52a8\u7f29\u51cf Pod\uff0c\u964d\u4f4e\u4e91\u8d44\u6e90\u8d39\u7528\u3002<\/li>\n<li>\u6027\u80fd\u4fdd\u969c\uff1a\u9ad8\u8d1f\u8f7d\u65f6\u5feb\u901f\u6269\u5bb9\uff0c\u907f\u514d\u670d\u52a1\u96ea\u5d29\u3002<\/li>\n<li>\u6613\u4e8e\u96c6\u6210\uff1a\u4e0e Kubernetes \u539f\u751f\u8d44\u6e90\u65e0\u7f1d\u914d\u5408\uff0c\u65e0\u9700\u989d\u5916\u90e8\u7f72\u590d\u6742\u7cfb\u7edf\u3002<\/li>\n<li>\u652f\u6301\u591a\u79cd\u6307\u6807\uff1a\u53ef\u7ed3\u5408\u4e1a\u52a1\u6307\u6807\uff08\u5982\u7528\u6237\u5728\u7ebf\u6570\uff09\u8fdb\u884c\u7cbe\u7ec6\u4f38\u7f29\u3002<\/li>\n<\/ul>\n<h3>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h3>\n<p>HPA \u9002\u7528\u4e8e\u6d41\u91cf\u6ce2\u52a8\u660e\u663e\u7684\u5fae\u670d\u52a1\u3001\u7535\u5546\u4fc3\u9500\u6d3b\u52a8\u3001\u89c6\u9891\u6d41\u5904\u7406\u4ee5\u53ca\u5b9e\u65f6\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u5728\u53cc 11 \u8d2d\u7269\u8282\u4e2d\uff0cHPA \u80fd\u6839\u636e\u5b9e\u65f6\u8bf7\u6c42\u91cf\u81ea\u52a8\u6269\u5bb9\u6570\u767e\u4e2a Pod\uff0c\u6d3b\u52a8\u7ed3\u675f\u540e\u81ea\u52a8\u7f29\u5bb9\uff0c\u6781\u5927\u964d\u4f4e\u8fd0\u7ef4\u538b\u529b\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528 HPA \u8fdb\u884c\u914d\u7f6e<\/h2>\n<p>\u4f7f\u7528 HPA \u9700\u8981\u5148\u5b89\u88c5 metrics-server\uff08\u63d0\u4f9b\u8d44\u6e90\u6307\u6807\uff09\uff0c\u7136\u540e\u901a\u8fc7 YAML \u5b9a\u4e49\u4f38\u7f29\u7b56\u7565\u3002\u4e00\u4e2a\u5178\u578b\u914d\u7f6e\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efa Deployment \u5e76\u8bbe\u7f6e\u8d44\u6e90 requests\u3002\u63a5\u7740\uff0c\u7f16\u5199 HPA \u8d44\u6e90\u914d\u7f6e\uff0c\u6307\u5b9a\u76ee\u6807 Deployment\u3001\u6700\u5c0f\/\u6700\u5927\u526f\u672c\u6570\u4ee5\u53ca\u76ee\u6807 CPU \u4f7f\u7528\u7387\uff08\u4f8b\u5982 60%\uff09\u3002\u6700\u540e\u901a\u8fc7 kubectl apply \u5e94\u7528\u3002\u76d1\u63a7\u65f6\u53ef\u7528 kubectl get hpa \u67e5\u770b\u72b6\u6001\u3002<\/p>\n<h3>\u6700\u4f73\u5b9e\u8df5\u5efa\u8bae<\/h3>\n<ul>\n<li>\u8bbe\u7f6e\u5408\u7406\u7684\u6700\u5c0f\u526f\u672c\u6570\uff0c\u9632\u6b62\u6781\u7aef\u6d41\u91cf\u4e0b\u5b8c\u5168\u7f29\u5bb9\u3002<\/li>\n<li>\u7ed3\u5408 PodDisruptionBudget \u786e\u4fdd\u6eda\u52a8\u66f4\u65b0\u671f\u95f4\u4e0d\u4e2d\u65ad\u670d\u52a1\u3002<\/li>\n<li>\u4f7f\u7528\u81ea\u5b9a\u4e49\u6307\u6807\u65f6\uff0c\u786e\u4fdd\u6307\u6807\u6536\u96c6\u9891\u7387\u548c HPA \u540c\u6b65\u5468\u671f\u5339\u914d\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0cKubernetes HPA \u662f\u73b0\u4ee3\u4e91\u539f\u751f\u5e94\u7528\u4e0d\u53ef\u6216\u7f3a\u7684\u667a\u80fd\u5de5\u5177\uff0c\u638c\u63e1\u5b83\u80fd\u8ba9\u4f60\u7684\u96c6\u7fa4\u7ba1\u7406\u66f4\u52a0\u9ad8\u6548\u3001\u5f39\u6027\u4e14\u7ecf\u6d4e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e91\u539f\u751f\u67b6\u6784\u4e2d\uff0cKubernetes Horizontal Pod Autoscaling\uff08HPA\uff09\u662f\u786e\u4fdd\u5e94\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[23887,23888,23886,23889,10193],"class_list":["post-20512","post","type-post","status-publish","format-standard","hentry","category-4","tag-horizontal-pod-autoscaling","tag-hpa","tag-kubernetes","tag-23889","tag-10193"],"_links":{"self":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/20512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20512"}],"version-history":[{"count":1,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/20512\/revisions"}],"predecessor-version":[{"id":20513,"href":"https:\/\/ab123.xyz\/index.php?rest_route=\/wp\/v2\/posts\/20512\/revisions\/20513"}],"wp:attachment":[{"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ab123.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}