public static Map getNodeInfo() {
InvocationService service = com.tangosol.net.CacheFactory.getInvocationService("OpenFire Cluster Service");
// Run cluster-wide stats query
Map results = service.query(new AbstractInvocable() {
public void run() {
// Get runtime stats - mem and time:
Runtime runtime = Runtime.getRuntime();
long free = runtime.freeMemory();
long total = runtime.totalMemory();