Returns a list of IP-addresses and host names that identify a node.
Returns a list of IP-addresses and host names that identify a node. Useful for giving Spark the list of preferred nodes for the Spark partition.
Maps rpc addresses to listen addresses for every cluster node.
Maps rpc addresses to listen addresses for every cluster node. If rpc address is not known, returns the same address.
Looks up listen address of a cluster node given its RPC address. Uses system.peers table as the source of information. If such information for a node is missing, it assumes its listen address equals its RPC address