private String limitLineLength(String line, int length) {
    if (line.length() > length) {
      return line.substring(0, length - 1) + "+";
    }
    return line;
  }
The screen that provides a dynamic real-time view for the HBase metrics. This shows the metric
{@link Summary} and the metric {@link Record}s. The summary and the metrics are updated
periodically (3 seconds by default).
hbase-hbtop/src/main/java/org/apache/hadoop/hbase/hbtop/screen/top/TopScreenView.java