private void closeDataStoreStats() {
    if (dataStore != null) {
      CachePerfStats dataStoreStats = dataStore.getCachePerfStats();
      if (dataStoreStats != null) {
        dataStoreStats.close();
      }
    }
  }
This method is invoked from recursiveDestroyRegion method of LocalRegion. This method checks
the region type and invokes the relevant method.

@param destroyDiskRegion - true if the contents on disk should be destroyed
@param event the RegionEvent
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java