kubectl 如何查看 node、pod 的 cpu、ram使用率_kubectl查看容器占用内存

简介

╰─➤  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).
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查看node

/ # kubectl  top node
NAME                    CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%
devops-prod-master-1    3210m        6%     33845Mi         69%
devops-prod-master-2    2617m        5%     19375Mi         40%
devops-prod-master-3    2472m        31%    11755Mi         75%
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查看pod

/ # kubectl top pod -A | grep cv-console-dev | grep rds
cv-console-dev                     cv-console-rds-6b97c64d87-v8djz                                   36m          522Mi
cv-console-dev                     cv-console-web-rds-77cc5d94fd-fwr2q                               1m           25Mi
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