new_contents: # import the module
  from __future__ import print_function
  import aerospike
  
  # Configure the client
  config = {
    'hosts': [ ('127.0.0.1', 3000) ]
  }
  
  # Create a client and connect it to the cluster
  try:
    client = aerospike.client(config).connect()
  except:
    import sys
    print("failed to connect to the cluster with", config['hosts'])
    sys.exit(1)
  
  # Records are addressable via a tuple of (namespace, set, key)
  key = ('test', 'demo', 'foo')
  
  try:
    # Write a record
    client.put(key, {
      'name': 'John Doe',
      'age': 32
    })
  except Exception as e:
    import sys
    print("error: {0}".format(e), file=sys.stderr)
  
  # Read a record
  #(key, metadata, record) = client.get(key)
  output = client.get(key)
  print(output)
  
  # Close the connection to the Aerospike cluster
  client.close()
  
subject: add ycsb