1.\u90e8\u7f72\u4fee\u4ed9\u4e1a\u52a1\uff0c\u8981\u6c42\u526f\u672c\u6570\u91cf\u4e3a1;
2.\u4f7f\u7528ab\u6d4b\u8bd5\u5de5\u5177\u5bf9\u4fee\u4ed9\u4e1a\u52a1\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5;
3.\u8bf7\u5b9e\u73b0Pod\u6c34\u5e73\u4f38\u7f29\uff0c\u5f53cpu\u538b\u529b\u8fbe\u523095%\u6216\u8005\u5185\u5b58\u8fbe\u523090%\u65f6\u81ea\u52a8\u8fdb\u884c\u6269\u5bb9pod\u526f\u672c\u6570\u91cf(\u4e0a\u9650\u6570\u91cf10)\u3002<\/p>\n\n\n\n
\t1.\u7f16\u5199\u8d44\u6e90\u6e05\u5355\n[root@master231 horizontalpodautoscalers]# cat 03-deploy-hpa-xiuxian.yaml \napiVersion: apps\/v1\nkind: Deployment\nmetadata:\n name: deploy-xiuxian\nspec:\n replicas: 1\n selector:\n matchLabels:\n apps: xiuxian\n template:\n metadata:\n labels:\n apps: xiuxian\n spec:\n containers:\n - name: c1\n image: registry.cn-hangzhou.aliyuncs.com\/yinzhengjie-k8s\/apps:v1 \n resources:\n requests:\n memory: 100Mi\n cpu: 100m\n\n---\n\napiVersion: autoscaling\/v2\nkind: HorizontalPodAutoscaler\nmetadata:\n name: hpa-memory\nspec:\n minReplicas: 2\n maxReplicas: 10\n metrics:\n - type: Resource\n resource:\n name: memory\n target: \n type: Utilization\n averageUtilization: 90\n scaleTargetRef:\n apiVersion: apps\/v1\n kind: Deployment\n name: deploy-xiuxian\n\n\n---\n\napiVersion: autoscaling\/v1\nkind: HorizontalPodAutoscaler\nmetadata:\n name: hpa-cpu\nspec:\n maxReplicas: 10\n minReplicas: 2\n scaleTargetRef:\n apiVersion: apps\/v1\n kind: Deployment\n name: deploy-xiuxian\n targetCPUUtilizationPercentage: 95\n\n\n---\n\napiVersion: v1\nkind: Service\nmetadata:\n name: svc-xiuxian\nspec:\n type: LoadBalancer\n selector:\n apps: xiuxian\n ports:\n - port: 80\n[root@master231 horizontalpodautoscalers]# \n\n\n\t2.\u521b\u5efa\u8d44\u6e90\n[root@master231 horizontalpodautoscalers]# kubectl apply -f 03-deploy-hpa-xiuxian.yaml \ndeployment.apps\/deploy-xiuxian created\nhorizontalpodautoscaler.autoscaling\/hpa-memory created\nhorizontalpodautoscaler.autoscaling\/hpa-cpu created\nservice\/svc-xiuxian created\n[root@master231 horizontalpodautoscalers]# \n\n\n\t3.\u67e5\u770b\u521b\u5efa\u7684\u8d44\u6e90\n[root@master231 horizontalpodautoscalers]# kubectl get hpa,svc,deploy,po -o wide\nNAME REFERENCE TARGETS MINPODS MAXPODS REPLICAS AGE\nhorizontalpodautoscaler.autoscaling\/hpa-cpu Deployment\/deploy-xiuxian 0%\/95% 2 10 2 46s\nhorizontalpodautoscaler.autoscaling\/hpa-memory Deployment\/deploy-xiuxian 3%\/90% 2 10 2 46s\n\nNAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR\nservice\/kubernetes ClusterIP 10.200.0.1 <none> 443\/TCP 2d4h <none>\nservice\/svc-xiuxian LoadBalancer 10.200.71.3 10.0.0.151 80:14241\/TCP 46s apps=xiuxian\n\nNAME READY UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR\ndeployment.apps\/deploy-xiuxian 2\/2 2 2 46s c1 registry.cn-hangzhou.aliyuncs.com\/yinzhengjie-k8s\/apps:v1 apps=xiuxian\n\nNAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES\npod\/deploy-xiuxian-5c66679644-b46sl 1\/1 Running 0 46s 10.100.2.211 worker233 <none> <none>\npod\/deploy-xiuxian-5c66679644-fjp7h 1\/1 Running 0 31s 10.100.1.171 worker232 <none> <none>\n[root@master231 horizontalpodautoscalers]# \n\n\t\n\t4.\u538b\u529b\u6d4b\u8bd5\n[root@harbor250.oldboyedu.com ~]# apt -y install apache2-utils\n\n\u6e29\u99a8\u63d0\u793a:\n\t\u6211\u4eec\u7684k8s\u96c6\u7fa4\u53ef\u80fd\u625b\u4e0d\u4f4f100w\u7684\u8bf7\u6c42\u91cf\uff0c\u6700\u7ec8\u62a5\u9519\u5982\u4e0b\uff0c\u591a\u91cd\u590d\u6267\u884c\u51e0\u6b21\u5373\u53ef\uff0c\u770b\u5230pod\u6269\u5bb9\u6548\u679c\u5373\u53ef\u3002\n\n[root@harbor250.oldboyedu.com ~]# ab -n 1000000 -c 100 http:\/\/10.0.0.151\/\nThis is ApacheBench, Version 2.3 <$Revision: 1879490 $>\nCopyright 1996 Adam Twiss, Zeus Technology Ltd, http:\/\/www.zeustech.net\/\nLicensed to The Apache Software Foundation, http:\/\/www.apache.org\/\n\nBenchmarking 10.0.0.151 (be patient)\nCompleted 100000 requests\napr_socket_recv: Connection reset by peer (104) # \u5982\u679c\u62a5\u9519\u8be5\u4fe1\u606f\uff0c\u8bf4\u660e\u670d\u52a1\u7aef\u625b\u4e0d\u4f4f\u5566\uff01\nTotal of 138386 requests completed\n[root@harbor250.oldboyedu.com ~]# \n\n\n\t5.\u518d\u6b21\u67e5\u770bpod\u6570\u91cf\n\u5982\u4e0a\u56fe\u6240\u793a\u3002\n\n\n\t6.\u5220\u9664\u8d44\u6e90\n[root@master231 horizontalpodautoscalers]# kubectl delete -f 03-deploy-hpa-xiuxian.yaml \ndeployment.apps \"deploy-xiuxian\" deleted\nhorizontalpodautoscaler.autoscaling \"hpa-memory\" deleted\nhorizontalpodautoscaler.autoscaling \"hpa-cpu\" deleted\nservice \"svc-xiuxian\" deleted\n[root@master231 horizontalpodautoscalers]# <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"1.\u90e8\u7f72\u4fee\u4ed9\u4e1a\u52a1\uff0c\u8981\u6c42\u526f\u672c\u6570\u91cf\u4e3a1;2.\u4f7f\u7528ab\u6d4b\u8bd5\u5de5\u5177\u5bf9\u4fee\u4ed9\u4e1a\u52a1\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5;3.\u8bf7\u5b9e\u73b0Pod\u6c34\u5e73\u4f38\u7f29\uff0c\u5f53c […]<\/p>\n","protected":false},"author":1,"featured_media":53,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=117"}],"version-history":[{"count":1,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":119,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions\/119"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/media\/53"}],"wp:attachment":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}