private void updateTerminalSize(int columns, int rows) {
    screenBuffer.reallocate(columns, rows);
  }
An implementation of the {@link Terminal} interface for normal display mode. This implementation
produces output intended for human viewing. In particular, it only displays one screenful of
data. The output contains some escape sequences for formatting.
hbase-hbtop/src/main/java/org/apache/hadoop/hbase/hbtop/terminal/impl/TerminalImpl.java