private MultiThreadedReader getMultiThreadedReaderInstance(String clazzName,
    LoadTestDataGenerator dataGen) throws IOException {
    try {
      Class<?> clazz = Class.forName(clazzName);
      Constructor<?> constructor = clazz.getConstructor(LoadTestDataGenerator.class,
        Configuration.class, TableName.class, double.class);
      return (MultiThreadedReader) constructor.newInstance(dataGen, conf, tableName, verifyPercent);
    } catch (Exception e) {
      throw new IOException(e);
    }
  }
Apply column family options such as Bloom filters, compression, and data block encoding.
hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/util/LoadTestTool.java