1. A method of operating a control node of a large-scale processing environment, the method comprising: receiving a request from a user to configure a virtual cluster with one or more data processing nodes; identifying a tenant associated with the user from a plurality of tenants of the large-scale processing environment, wherein each tenant of the plurality of tenants comprises an organization or a division of an organization; identifying a namespace for the tenant; identifying internet protocol (IP) addresses for the one or more data processing nodes from a set of available IP addresses in the large-scale processing environment; 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, wherein the DNS for the virtual cluster comprises a unique DNS associated with the tenant.