public static void doDestroys(String regionName, int keyNum) {
    Region<Object, Object> r = cache.getRegion(SEPARATOR + regionName);
    for (long i = 0; i < keyNum; i++) {
      r.destroy(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