private static void updateMapForVM0() {
    map.put("k1", 3L);
    map.put("k2", 1L);
    map.put("k3", 3L);
    map.put("k4", 1L);
    map.put("k5", 3L);
  }
This test verifies that the memory footprint of the ha region queues is less when ha-overflow
is enabled (with an appropriate value of haCapacity) compared to when it is disabled, for the
same amount of data feed.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HARQueueNewImplDistributedTest.java