Merge pull request kubernetes#88371 from dharmab/scheduler-synopsis

Improve scheduler CLI description

Author: k8s-ci-robot

cmd/kube-scheduler/app/server.go

@@ -75,13 +75,13 @@ func NewSchedulerCommand(registryOptions ...Option) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use: "kube-scheduler",
-		Long: `The Kubernetes scheduler is a policy-rich, topology-aware,
-workload-specific function that significantly impacts availability, performance,
-and capacity. The scheduler needs to take into account individual and collective
-resource requirements, quality of service requirements, hardware/software/policy
-constraints, affinity and anti-affinity specifications, data locality, inter-workload
-interference, deadlines, and so on. Workload-specific requirements will be exposed
-through the API as necessary. See [scheduling](https://kubernetes.io/docs/concepts/scheduling/)
+		Long: `The Kubernetes scheduler is a control plane process which assigns
+Pods to Nodes. The scheduler determines which Nodes are valid placements for
+each Pod in the scheduling queue according to constraints and available
+resources. The scheduler then ranks each valid Node and binds the Pod to a
+suitable Node. Multiple different schedulers may be used within a cluster;
+kube-scheduler is the reference implementation.
+See [scheduling](https://kubernetes.io/docs/concepts/scheduling/)
 for more information about scheduling and the kube-scheduler component.`,
 		Run: func(cmd *cobra.Command, args []string) {
 			if err := runCommand(cmd, args, opts, registryOptions...); err != nil {