@Override
  public List<Record> getRecords(ClusterMetrics clusterMetrics,
    List<RecordFilter> pushDownFilters) {
    List<Record> ret = new ArrayList<>();
    for (ServerMetrics sm : clusterMetrics.getLiveServerMetrics().values()) {
      long lastReportTimestamp = sm.getLastReportTimestamp();
      for (RegionMetrics rm : sm.getRegionMetrics().values()) {
        ret.add(createRecord(sm, rm, lastReportTimestamp));
      }
    }
    return ret;
  }
Implementation for {@link ModeStrategy} for Region Mode.
hbase-hbtop/src/main/java/org/apache/hadoop/hbase/hbtop/mode/RegionModeStrategy.java