kubectl-top: add page (#18497)

Author: pradeept

pages/common/kubectl-top.md

@@ -0,0 +1,32 @@
+# kubectl top
+
+> See the resource consumption for nodes or pods.
+> More information: <https://kubernetes.io/docs/reference/kubectl/generated/kubectl_top>.
+
+- Get the resource consumption of all nodes:
+
+`kubectl top {{[no|nodes]}}`
+
+- Get resource consumption of a specific node:
+
+`kubectl top {{[no|nodes]}} {{node_name}}`
+
+- Get resource consumption of all pods:
+
+`kubectl top {{[po|pods]}}`
+
+- Get resource consumption of a specific pod:
+
+`kubectl top {{[po|pods]}} {{pod_name}}`
+
+- Get resource consumption of all pods in a namespace:
+
+`kubectl top {{[po|pods]}} {{[-n|--namespace]}} {{namespace_name}}`
+
+- Get resource consumption of all containers in a pod:
+
+`kubectl top {{[po|pods]}} --containers`
+
+- Get resource consumption of all pods with the specified label:
+
+`kubectl top {{[po|pods]}} {{[-l|--selector]}} {{key=value}}`