private int getZoneBucketCount(String regionName, String zoneName) {
    int bucketCount = 0;
    for (Map.Entry<Integer, String> entry : SERVER_ZONE_MAP.entrySet()) {
      if (entry.getValue().compareTo(zoneName) == 0) {
        bucketCount += getBucketCount(entry.getKey());
      }
    }
    return bucketCount;
  }
Get the bucket count for the region in the redundancy zone

@param regionName - name of the region to get the bucket count of
@param zoneName - redundancy zone for which to get the bucket count
@return - the total bucket count for the region in the redundancy zone
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/control/RebalanceOperationComplexDistributedTest.java