Data test2 = new Data(oldValue.getBytes());
sender.put(locationKey).data(test1).start().awaitUninterruptibly();
receiver.put(locationKey).data(test2).start().awaitUninterruptibly();
FutureDone<SyncStat> future = senderSync.synchronize(receiver.peerAddress()).key(key)
.start();
future.awaitUninterruptibly();
System.err.println(future.object().toString());
Data data = receiver.storageLayer()