GraphX: .edges.distinct().count() is 10?

[Ryan Compton]

I am trying to read an edge list into a Graph. My data looks like

394365859 --> 136153151
589404147 --> 1361045425

I read it into a Graph via:

val edgeFullStrRDD: RDD[String] = sc.textFile(unidirFName)
val edgeTupRDD = edgeFullStrRDD.map(x => x.split("\t"))
                                   .map(x => (x(0).toLong, x(2).toLong))
val g = Graph.fromEdgeTuples(edgeTupRDD, defaultValue = 123,
uniqueEdges = Option(CanonicalRandomVertexCut))

Now, edgeTupRDD.distinct().count() tells me I have 240086 distinct
lines in the file, g.numEdges tells me they combined into 240096
weighted edges (which is really weird since that's more lines than in
the RDD), but g.edges.distinct().count() tells me I have 10. Why?