@Override
  public boolean reseek(ExtendedCell seekKey) throws IOException {
    return generalizedSeek(false, // This is not a lazy seek
      seekKey, true, // forward (true because this is reseek)
      false); // Not using Bloom filters
  }
This function is identical to the {@link #seek(ExtendedCell)} function except that
scanner.seek(seekKey) is changed to scanner.reseek(seekKey).
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java