@Override
  public long skip(long n) throws IOException {
    int currentPosition = (chunkId - 1) * file.getChunkSize() + chunkPosition;
    seek(currentPosition + n);
    return n;
  }
An input stream that reads chunks from a File saved in the region. This input stream will keep
going back to the region to look for chunks until nothing is found.
geode-lucene/src/main/java/org/apache/geode/cache/lucene/internal/filesystem/FileInputStream.java