def METHOD_NAME(benchmark_spec):
  """Run the data-caching benchmark.
  Args:
    benchmark_spec: The benchmark specification. Contains all data that is
        required to run the benchmark.
  Returns:
    A list of sample.Sample objects.
  """
  client_vm = benchmark_spec.vm_groups['client'][0]
  benchmark_cmd = ('sudo docker run --rm --name dc-client --net host'
                   ' cloudsuite/data-caching:client -rps %d' %
                   FLAGS.cloudsuite_data_caching_rps)
  stdout, _ = client_vm.RemoteCommand(benchmark_cmd)
  return _ParseOutput(stdout)