@Override
    public void fromData(DataInput in) throws IOException, ClassNotFoundException {
      id = DataSerializer.readInteger(in);
      customerId = DataSerializer.readObject(in);
    }
2 servers, 2 clients.One client to one server. Put from c1 to s1. Now put from c2. So since
there will be a hop at least once, fetchservice has to be triggered. Now put again from
c2.There should be no hop at all.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionSingleHopDUnitTest.java