@Override
  void basicInvalidateRegion(RegionEventImpl event) {
    if (!event.isOriginRemote()) {
      sendInvalidateRegionMessage(event);
    }
    for (BucketRegion br : getDataStore().getAllLocalPrimaryBucketRegions()) {
      if (logger.isDebugEnabled()) {
        logger.debug("Invalidating bucket {}", br);
      }
      br.basicInvalidateRegion(event);
    }
    super.basicInvalidateRegion(event);
  }
Called after the cache close has closed all regions. This clean up static pr resources.

@since GemFire 5.0
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java