@Override
    public void run() {
      try (Table table = UTIL.getConnection().getTable(TableName.valueOf(tablename))) {
        for (int i = start; i <= end; i++) {
          Put p = new Put(Bytes.toBytes(String.format("tableName,rowKey%d,region%d", i, i)));
          p.addColumn(cf, col, Bytes.toBytes("Value" + i));
          table.put(p);
        }
      } catch (IOException e) {
        LOG.warn("Caught IOException while PutThread operation", e);
      }
    }
Read the attributes from Hadoop->HBase->RegionServer->MetaTableMetrics in JMX
@throws IOException when fails to retrieve jmx metrics.
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMetaTableMetrics.java