先來看看 kubectl top 子命令的 help 資訊
╰─➤ kubectl top --help
Display Resource (CPU/Memory) usage.
The top command allows you to see the resource consumption for nodes or pods.
This command requires Metrics Server to be correctly configured and working on the server.
Available Commands:
node Display resource (CPU/memory) usage of nodes
pod Display resource (CPU/memory) usage of pods
Usage:
kubectl top [flags] [options]
Use "kubectl <command> --help" for more information about a given command.
Use "kubectl options" for a list of global command-line options (applies to all commands).透過 kubectl 檢視 node 的 CPU、記憶體使用率
╰─➤ kb top node
NAME CPU(cores) CPU% MEMORY(bytes) MEMORY%
cn-hangzhou.172.16.240.110 3610m 92% 4765Mi 87%
cn-hangzhou.172.16.240.137 1977m 50% 4998Mi 91%
cn-hangzhou.172.16.36.167 2845m 72% 5614Mi 102%
cn-hangzhou.172.16.6.124 757m 19% 5372Mi 98%
cn-hangzhou.172.16.6.130 2717m 69% 5379Mi 98%
cn-hangzhou.172.16.6.199 2045m 52% 6070Mi 106%
cn-hangzhou.172.16.6.94 2701m 69% 5598Mi 98%
virtual-kubelet-cn-hangzhou-i 8184m 0% 5746Mi 0% 透過 kubectl 檢視 pod 的 CPU、記憶體使用率
╰─➤ kb top pod -n vddb
NAME CPU(cores) MEMORY(bytes)
svddb-api-server-prod-57b8b7c78c-kxw6s 277m 762Mi
svddb-api-server-prod-57b8b7c78c-lkvxl 3m 706Mi
svddb-proxy-server-prod-7447b876f6-cnbzx 23m 141Mi
svddb-proxy-server-prod-7447b876f6-glhmr 27m 155Mi
svddb-proxy-server-prod-7447b876f6-mf6tl 26m 94Mi
svddb-service-api-server-prod-85598c47f5-g58xt 3m 53Mi
svddb-service-downloaders-server-prod-846bb8b45-74jl5 312m 147Mi
svddb-service-downloaders-server-prod-846bb8b45-gd5ts 317m 151Mi
svddb-service-generators-server-prod-74bc65bd5d-5sbhg 3746m 2784Mi
svddb-service-generators-server-prod-74bc65bd5d-8wv9f 3731m 2641Mi
svddb-service-monitor-server-prod-987cf45b9-bmvzq 0m 84Mi
svddb-service-searcher-server-prod-5465bb6946-99rxd 32m 97Mi