@Override
  public StoredObject allocate(int size) {
    // System.out.println("allocating " + size);
    OffHeapStoredObject result = allocateOffHeapStoredObject(size);
    // ("allocated off heap object of size " + size + " @" +
    // Long.toHexString(result.getMemoryAddress()), true);
    return result;
  }
Returns a possibly empty list that contains all the Chunks used by regions.
geode-core/src/main/java/org/apache/geode/internal/offheap/MemoryAllocatorImpl.java