Thanks a lot for your answer. I will try it and get back in case I have another issue.
On Mon, Jul 15, 2013 at 11:02 PM, Maja Kabiljo <majakabi...@fb.com> wrote: > Hi Tom, > > We recently added something like this, please take a look > at MultiVertexInputFormat. That one can basically wrap any number of vertex > input formats, coming from any sources. You can also take a look at > HiveGiraphRunner to see how it's used there. As for multiple vertex types, > we don't have that directly supported, but you can have some variable > describing the vertex type inside of your vertex value. > > Hope this helps, please let us know if you have any questions! > > Maja > > From: Tom M <thnyanmthn...@gmail.com> > Reply-To: "user@giraph.apache.org" <user@giraph.apache.org> > Date: Monday, July 15, 2013 9:54 AM > To: "user@giraph.apache.org" <user@giraph.apache.org> > Subject: Multiple Data Sources > > Hi, > > > > I am a new to Giraph. I am working on implementing a graph algorithm > that first reads vertex values from multiple sources (HDFS, MySQL). So > basically, I would have two types of vertices, values of each vertex type > can be read from a different data source. I know that, in MR, we can use > DBInputFormat to retrieve tuples from RDBMS for example, and then join them > with data read from HDFS. My question, can we do that in Giraph? i.e. can > the graph be constructed from different data sources? Thanks a lot in > advance. > > > > Best, > > Tom >
