Java Client 1.1 dp2 OBSERVE wait too slow

Hi.

Java Client 1.1 dp2 OBSERVE/Command and wait is too slow.

this sample code.

System.out.println("s" + System.currentTimeMillis());
OperationFuture setOp2 = client.set("kobuta2x", 0, "kobuta world2 !", PersistTo.ONE, ReplicateTo.ZERO);
System.out.println("e" + System.currentTimeMillis());

client.set method allways 10 seconds processing time.