{"id":43294,"date":"2023-12-19T19:22:09","date_gmt":"2023-07-16T12:35:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8c%87%e6%a0%87%e5%ad%a6%e4%b9%a0-hpa-%e7%9a%84%e6%93%8d%e4%bd%9c%e5%99%a8%e5%92%8c%e9%80%82%e9%85%8d%e5%99%a8%e3%80%82\/"},"modified":"2024-05-04T14:20:01","modified_gmt":"2024-05-04T06:20:01","slug":"%e9%80%9a%e8%bf%87%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8c%87%e6%a0%87%e5%ad%a6%e4%b9%a0-hpa-%e7%9a%84%e6%93%8d%e4%bd%9c%e5%99%a8%e5%92%8c%e9%80%82%e9%85%8d%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e8%87%aa%e5%ae%9a%e4%b9%89%e6%8c%87%e6%a0%87%e5%ad%a6%e4%b9%a0-hpa-%e7%9a%84%e6%93%8d%e4%bd%9c%e5%99%a8%e5%92%8c%e9%80%82%e9%85%8d%e5%99%a8%e3%80%82\/","title":{"rendered":"\u901a\u8fc7\u81ea\u5b9a\u4e49\u6307\u6807\u5b66\u4e60 HPA \u7684\u64cd\u4f5c\u5668\u548c\u9002\u914d\u5668"},"content":{"rendered":"<h2>\u6982\u62ec<\/h2>\n<p>\u6211\u5728\u7814\u7a76\u901a\u8fc7\u81ea\u5b9a\u4e49\u6307\u6807\u5b9e\u73b0HPA\u7684\u8fc7\u7a0b\u4e2d\uff0c\u83b7\u53d6\u4e86\u5173\u4e8eOperator\u548cAdapter\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e76\u4e0e\u5927\u5bb6\u5206\u4eab\u3002\u8bf7\u53c2\u8003\u6211\u5728CloudNative Days Kansai 2019 Meetup\u4e0a\u505a\u7684LT\u6f14\u8bb2\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/2-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u30991.png\" \/><\/div>\n<p>\u4ee5\u4e0b\u662f\u5173\u4e8e\u4e0b\u8ff0\u5185\u5bb9\u7684\u8be6\u7ec6\u63cf\u8ff0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Pod Autoscaler<\/ul>\n<\/li>\n<\/ul>\n<p>VPA\u3068HPA<\/p>\n<p>CPU\u4f7f\u7528\u7387\u306b\u3088\u308bHPA<br \/>\ncustom metrics\u306b\u3088\u308bHPA<\/p>\n<p>Operator\u3068\u306f<br \/>\nAdapter\u3068\u306f<\/p>\n<h2>Pod Autoscaler (Pod\u81ea\u52a8\u7f29\u653e\u5668)<\/h2>\n<p>\u6709VPA\u548cHPA\u3002<\/p>\n<h3>\u5782\u76f4 Pod \u81ea\u52a8\u7f29\u653e\u5668\uff08VPA\uff09<\/h3>\n<p>\u8bf7\u5e2e\u5fd9\u589e\u52a0\u6216\u51cf\u5c11\u8d44\u6e90\u8bf7\u6c42\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/9-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309956.png\" \/><\/div>\n<h3>HPA\uff08\u6c34\u5e73 Pod \u81ea\u52a8\u7f29\u653e\u5668\uff09<\/h3>\n<p>\u4ed6\u53ef\u4ee5\u589e\u52a0\u6216\u51cf\u5c11Pod\u6570\u91cf\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/12-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309958.png\" \/><\/div>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u662f\u5173\u4e8eHPA\u7684\u8ba8\u8bba\u3002<\/p>\n<h2>\u6839\u636eCPU\u4f7f\u7528\u7387\u7684\u9ad8\u4f4e\u8fdb\u884c\u7684HPA (Horizontal Pod Autoscaler)\u64cd\u4f5c\u3002<\/h2>\n<p>\u6211\u6839\u636e\u300a\u6c34\u5e73Pod\u81ea\u52a8\u6269\u5c55\u6559\u7a0b\u300b\u7684\u516c\u5f0f\u6587\u6863\u8fdb\u884c\u4e86\u5c1d\u8bd5\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u5bf9\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\uff08php-apache\uff09\u65bd\u52a0\u8d1f\u8f7d\u65f6\uff0c\u6211\u4eec\u6ce8\u610f\u5230Pod\u7684\u6570\u91cf\u4f1a\u589e\u52a0\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u786e\u8ba4\u9ad8\u53ef\u7528\u6027HPA\u662f\u6309\u7167CPU\u4f7f\u7528\u7387\u5b9e\u73b0\u7684\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/17-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309912.png\" \/><\/div>\n<h2>\u901a\u8fc7\u5b9a\u5236\u6307\u6807\u5b9e\u73b0\u6c34\u5e73\u81ea\u52a8\u6269\u5c55(Horizontal Pod Autoscaling)\u3002<\/h2>\n<p>\u7531\u4e8e\u5728 luxas\/kubeadm-workshop \u4e2d\u6709\u6837\u4f8b\uff0c\u6240\u4ee5\u6211\u5c1d\u8bd5\u7740\u505a\u4e86\u4e00\u4e0b\u3002<\/p>\n<p>Manifest\u6587\u4ef6\u4f4d\u4e8edemos\/monitoring\u76ee\u5f55\u4e0b\uff0c\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\uff08sample-metrics-app\uff09\u4f3c\u4e4e\u57fa\u4e8e\u516c\u5f00\u7684http_requests\u6307\u6807\u6765\u8fdb\u884cpod\u6570\u91cf\u7684\u589e\u51cf\u793a\u4f8b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/21-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309916.png\" \/><\/div>\n<p>\u5f53\u8bbf\u95ee\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\uff08sample-metrics-app\uff09\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4ee5\u4e0b\u5e7b\u706f\u7247\u4e2dPod\u6570\u91cf\u589e\u52a0\uff0c\u786e\u8ba4\u57fa\u4e8e\u540d\u4e3ahttp_requests\u7684\u6307\u6807\uff0cHPA\u6b63\u5982\u9884\u671f\u5730\u5de5\u4f5c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/23-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309919.png\" \/><\/div>\n<p>\u6211\u5df2\u7ecf\u786e\u8ba4\u4e86\u57fa\u4e8e\u81ea\u5b9a\u4e49\u5ea6\u91cf\u6807\u51c6\u7684HPA\u7684\u8fd0\u4f5c\u60c5\u51b5\u3002\u867d\u7136\u8fd9\u5f88\u503c\u5f97\u5e86\u8d3a\uff0c\u4f46\u5f53\u6211\u9605\u8bfb\u4e86\u6f14\u793a\/\u76d1\u63a7\u7684\u6e05\u5355\u6587\u4ef6\u540e\uff0c\u6211\u6709\u4e86\u4e00\u4e9b\u7591\u95ee\u3002<\/p>\n<h2>\u6709\u4ec0\u9ebc\u554f\u984c\u9700\u8981\u6f84\u6e05\uff1f sh\u00e9 me ?)<br \/>\n\u6216\u8005<br \/>\n\u8acb\u554f\u4f60\u6709\u4ec0\u9ebc\u7591\u554f\uff1f n\u01d0 ?)<\/h2>\n<h3>\u8fd0\u8425\u5546\u662f\u4ec0\u4e48? sh\u00ec me)<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/27-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309921.png\" \/><\/div>\n<h3>\u795e\u79d8\u7684\u8d44\u6e90?<\/h3>\n<p>\u6709\u4e00\u5904\u6307\u5b9a\u4e86\u4e00\u79cd\u795e\u79d8\u7684\u8d44\u6e90\uff0c\u540d\u4e3aServiceMonitor\u548cPrometheus\u3002<br \/>\n\u8bf7\u95ee\u5b83\u4eec\u662f\u5728\u4ec0\u4e48\u65f6\u5019\u3001\u5728\u54ea\u91cc\u88ab\u5b9a\u4e49\uff0c\u5e76\u4e14\u4ece\u4ec0\u4e48\u65f6\u5019\u5f00\u59cb\u53ef\u4ee5\u4f7f\u7528\u5462\uff1f<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/30-1.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309923.png\" \/><\/div>\n<h3>\u9002\u914d\u5668?<\/h3>\n<p>\u770b\u8d77\u6765\u88ab\u8ba4\u4e3a\u662f\u6307\u6807\u670d\u52a1\u5668\u7684\u90e8\u7f72\u4e2d\uff0c\u6307\u5b9a\u4e86\u4e00\u4e2a\u540d\u4e3aprometheus-adapter\u7684\u955c\u50cf\u3002<br \/>\n\u4ec0\u4e48\u662f\u9002\u914d\u5668\uff08adapter\uff09\uff1f<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/33-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309924.png\" \/><\/div>\n<p>\u8fd9\u4e2a\u6307\u6807\u670d\u52a1\u662f\u5982\u4f55\u6536\u96c6\u5e94\u7528\u7a0b\u5e8f\u53d1\u5e03\u7684\u6307\u6807\u7684\u5462\uff1f\uff08\u5de6\u8fb9\u7684\u5982\u4f55\uff1f\uff09<br \/>\n\u53e6\u5916\uff0cHPA \u63a7\u5236\u5668\u662f\u5982\u4f55\u83b7\u53d6\u8fd9\u4e9b\u6307\u6807\u7684\u5462\uff1f\uff08\u53f3\u8fb9\u7684\u5982\u4f55\uff1f\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/35-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309927.png\" \/><\/div>\n<h2>\u8c03\u67e5\u65b9\u5f0f<\/h2>\n<p>\u6211\u51b3\u5b9a\u6574\u7406\u8bb0\u5f55\u5728\u6f14\u793a\/\u76d1\u63a7\u6e05\u5355\u6587\u4ef6\u4e2d\u7684\u5404\u4e2a\u5b9a\u4e49\u3002<br \/>\n\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u7684\uff0c\u6211\u7f16\u5199\u4e86\u4e00\u4e2a\u5de5\u5177\uff08loftkun\/yaml2excel\uff09\uff0c\u8be5\u5de5\u5177\u5c06\u6e05\u5355\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8f93\u51fa\u4e3aExcel\u6587\u672c\u6846\u3002<\/p>\n<p>\u6211\u5011\u5c07\u751f\u6210Excel\u6587\u4ef6\uff0c\u662f\u56e0\u70ba\u53ef\u4ee5\u901a\u904e\u62d6\u52d5\u76f8\u95dc\u5143\u7d20\uff0c\u4f7f\u5b83\u5011\u9760\u8fd1\u4e26\u7528\u7bad\u982d\u9023\u63a5\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u9032\u884c\u6574\u7406\u3002<br \/>\n\u76ee\u524d\u70ba\u6b62\uff0c\u6574\u7406\u5de5\u4f5c\u9700\u8981\u624b\u52d5\u9032\u884c\uff0c\u4f46\u6211\u5011\u5e0c\u671b\u80fd\u6839\u64da\u6e05\u55ae\u7684\u76f8\u4e92\u95dc\u4fc2\u81ea\u52d5\u5316\u9019\u4e00\u904e\u7a0b\u3002<br \/>\n\uff08\u5982\u679c\u60a8\u77e5\u9053\u4efb\u4f55\u53ef\u4ee5\u9032\u884c\u6b64\u985e\u6574\u7406\u7684\u597d\u5de5\u5177\uff0c\u8acb\u544a\u8a34\u6211\uff0c\u5c07\u4e0d\u52dd\u611f\u6fc0\u3002\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/39-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309928.png\" \/><\/div>\n<h2>\u8c03\u67e5\u7ed3\u679c<\/h2>\n<p>\u4ee5\u4e0b\u6240\u793a\u7684\u7ed3\u6784\u5982\u4e0b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d51f937434c4406ccb81d\/42-0.png\" alt=\"\u30b9\u30e9\u30a4\u30c8\u309943.png\" \/><\/div>\n<h3>\u64cd\u4f5c\u5458<\/h3>\n<p>\u6211\u4f1a\u89e3\u91ca\u5de6\u8fb9\u7684\u5e7b\u706f\u7247\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u90e8\u7f72 Prometheus Operator \u540e\uff0c\u4f1a\u751f\u6210\u81ea\u5b9a\u4e49\u7684\u8d44\u6e90\u5b9a\u4e49 (Custom Resource Definition, CRD)\uff0c\u4f8b\u5982 ServiceMonitor \u548c Prometheus\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u56e0\u6b64\uff0c\u5728\u90e8\u7f72 Prometheus Operator \u540e\uff0c\u53ef\u4ee5\u90e8\u7f72\u4e00\u4e9b\u6307\u5b9a kind \u4e3a ServiceMonitor \u548c Prometheus \u7684\u5bf9\u8c61\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>\u5728 ServiceMonitor \u4e2d\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u76d1\u89c6\u76ee\u6807\u6307\u6807\u7684\u7aef\u70b9\u3002<\/p>\n<p>Prometheus Operator \u4f1a\u6839\u636e ServiceMonitor \u4e2d\u8bbe\u7f6e\u7684\u7aef\u70b9\u751f\u6210 Prometheus \u7684\u914d\u7f6e\u6587\u4ef6 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