1. A method of operating a control node of a large-scale processing environment, the method comprising: receiving a request to configure a virtual cluster with one or more data processing nodes; identifying a tenant associated with the request; identifying a namespace for the tenant; identifying internet protocol (IP) addresses for the one or more data processing nodes; generating namespace to IP address pairs for the one or more data processing nodes based on the namespace and the IP addresses; configuring a domain name system (DNS) for the virtual cluster with the namespace to IP address pairs.