anchor.diff:  
   [gremlin-groovy]
   ----
  -graph = GraphFactory.open('conf/hadoop-gryo.properties')
  +graph = GraphFactory.open('conf/hadoop/hadoop-gryo.properties')
   g = graph.traversal(computer(SparkGraphComputer))
   g.V().count()
   g.V().out().out().values('name')
  
positive.code: Properties Files
  ~~~~~~~~~~~~~~~~
  
  `HadoopGraph` makes heavy use of properties files which ultimately get turned into Apache configurations and Hadoop configurations. The example properties file presented below is located at `conf/hadoop-gryo.properties`.
  
  [source,text]
  gremlin.graph=org.apache.tinkerpop.gremlin.hadoop.structure.HadoopGraph
  
negative.code: 
  [gremlin-groovy]
  ----
  graph = GraphFactory.open('conf/hadoop/hadoop-gryo.properties')
  g = graph.traversal(computer())
  g.V().count()
  g.V().out().out().values('name')
  