System.out.println("Putting documents.");
DBBroker broker1 = pool1.get(user1);
Txn transaction1 = pool1.getTransactionManager().beginTransaction();
Collection top1 = storeBin(broker1,transaction1,"1");
pool1.getTransactionManager().commit(transaction1);
top1.release(Lock.READ_LOCK);
pool1.release(broker1);
DBBroker broker2 = pool2.get(user1);
Txn transaction2 = pool2.getTransactionManager().beginTransaction();
Collection top2 = storeBin(broker2,transaction2,"2");