Deleting a namespace will release all resources in the namespace.
Do not delete the system namespace.
Delete a federated namespace
Log on to the console and choose Cluster Management > Namespace in the left-side navigation pane to go to the Namespaces page.
Click Delete in the Actions column of the target namespace, and then click OK in the dialog box that appears.
The system displays a prompt indicating that the namespace is deleted.
Delete a single-cluster namespace
Log on to the LHC console and choose Manage Clusters > Cluster Details in the left-side navigation pane to go to the Clusters page.
Click the name of the target cluster to go to the Cluster Details page and click the Namespace tab.
Click Delete in the Actions column of the target namespace, and then click OK in the dialog box that appears.
The system displays a prompt indicating that the namespace is deleted.