code: private void completePendingFlush()
    {
      int size = _pendingFlushEntries.size();
      
      if (size == 0) {
        return;
      }
  
      // ArrayList<TableService.PageFlush> pageList = new ArrayList<>();
      
      for (int i = 0; i < size; i++) {
        PendingEntry entry = _pendingFlushEntries.get(i);
        
        entry.afterFlush();
        
        _pendingFsyncEntries.add(entry);
      }
      
      // _tableService.afterDataFlush(pageList);
      
      _pendingFlushEntries.clear();
    }
docs: Notifies the calling service after the entry is written to the mmap.
  
  The entries will be added to the pending sync list.