the source vertex will be created automatically for you. if a vertex id (in your case v2 and v3) appear only in the "second column", the will be created only if (when) they receive a message.
On Wed, Oct 23, 2013 at 12:37 AM, Jeff Storey <[email protected]> wrote: > Hi, I'm new to giraph and had a question about creating a graph from a > list of edges. In a hive table, I have some data that looks like: > > inVertexId | outVertexId > v1 v2 > v1 v3 > and so on > > When loading data with the HiveEdgeInputFormat (or any edge input format), > do I need a separate input to create the vertices? Or will the vertices for > the graph automatically be created from the edges? > > I'm working on putting together an example to test this out, but I wanted > to check with the group to make sure I wasn't trying something that giraph > isn't designed to do. > > Thanks, > Jeff > -- Claudio Martella [email protected]
