giraph-gora/conf/vertex.avsc

{
  "type": "record",
  "name": "GVertex",
  "namespace": "org.apache.giraph.io.gora.generated",
  "fields" : [
    {"name": "vertexId", "type": "string"},
    {"name": "vertexValue", "type": "float"},
    {"name": "edges", "type": {"type": "map", "values": "string"}}
  ]
}