Information in the GRD is available to all instances, either directly if that information is maintained locally, or indirectly through communication with background processes on the remote node.
GRD中的信息对于所有的实例都是可以访问的,如果这个信息是在本地,可以通过直接访问;如果不在本地,可以通过和远程节点的后台进程通信来访问。