private void runLinkedListMRJob(int iteration) throws Exception {
    String jobName =
      IntegrationTestBulkLoad.class.getSimpleName() + " - " + EnvironmentEdgeManager.currentTime();
    Configuration conf = new Configuration(util.getConfiguration());
    Path p = null;
    if (conf.get(ImportTsv.BULK_OUTPUT_CONF_KEY) == null) {
      p = util.getDataTestDirOnTestFS(getTablename() + "-" + iteration);
    } else {
      p = new Path(conf.get(ImportTsv.BULK_OUTPUT_CONF_KEY));
    }

    conf.setBoolean("mapreduce.map.speculative", false);
    conf.setBoolean("mapreduce.reduce.speculative", false);
    conf.setInt(ROUND_NUM_KEY, iteration);

    Job job = new Job(conf);

    job.setJobName(jobName);

    // set the input format so that we can create map tasks with no data input.
    job.setInputFormatClass(ITBulkLoadInputFormat.class);

    // Set the mapper classes.
    job.setMapperClass(LinkedListCreationMapper.class);
    job.setMapOutputKeyClass(ImmutableBytesWritable.class);
    job.setMapOutputValueClass(KeyValue.class);

    // Use the identity reducer
    // So nothing to do here.

    // Set this jar.
    job.setJarByClass(getClass());

    // Set where to place the hfiles.
    FileOutputFormat.setOutputPath(job, p);
    try (Connection conn = ConnectionFactory.createConnection(conf); Admin admin = conn.getAdmin();
      RegionLocator regionLocator = conn.getRegionLocator(getTablename())) {
      // Configure the partitioner and other things needed for HFileOutputFormat.
      HFileOutputFormat2.configureIncrementalLoad(job, admin.getDescriptor(getTablename()),
        regionLocator);
      // Run the job making sure it works.
      assertEquals(true, job.waitForCompletion(true));
    }
    // Create a new loader.
    BulkLoadHFiles loader = BulkLoadHFiles.create(conf);
    // Load the HFiles in.
    loader.bulkLoad(getTablename(), p);
    // Delete the files.
    util.getTestFileSystem().delete(p, true);
  }
Modify table {@code getTableName()} to carry {@link SlowMeCoproScanOperations}.
hbase-it/src/test/java/org/apache/hadoop/hbase/mapreduce/IntegrationTestBulkLoad.java