IExecutorService service = client.getExecutorService(randomString());
final CountDownLatch responseLatch = new CountDownLatch(CLUSTER_SIZE);
final CountDownLatch completeLatch = new CountDownLatch(1);
String mapName = randomString();
Runnable runnable = new MapPutRunnable(mapName);
MemberSelector selector = new SelectAllMembers();
service.submitToMembers(runnable, selector, new MultiExecutionCallback() {
public void onResponse(Member member, Object value) {
responseLatch.countDown();