code: private boolean readMetaContinuation(ReadStream is, int crc)
      throws IOException
    {
      long value = BitsUtil.readLong(is);
      
      crc = Crc32Caucho.generate(crc, value);
  
      int crcFile = BitsUtil.readInt(is);
      
      if (crcFile != crc) {
        log.fine("meta-segment crc mismatch");
        return false;
      }
      
      long address = value & ~0xffff;
      int length = (int) ((value & 0xffff) << 16);
      
      if (length != _segmentMeta[0].size()) {
        throw new IllegalStateException();
      }
      
      SegmentExtent extent = new SegmentExtent(0, address, length);
      
      _metaExtents.add(extent);
      
      _metaAddress = address;
      _metaOffset = address;
      _metaTail = address + length;
  
      // false continues to the next segment
      return false;
    }
docs: Continuation segment for the metadata.
  
  Additional segments when the table/segment metadata doesn't fit.