public static void doPutsPDXSerializable(String regionName, int numPuts) {
    Region<Object, Object> r = cache.getRegion(SEPARATOR + regionName);
    for (int i = 0; i < numPuts; i++) {
      r.put("Key_" + i, new SimpleClass(i, (byte) i));
    }
  }
Returns a Map that contains the count for number of cache server and number of Receivers.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/WANTestBase.java