Hi Kyle, you can check out the AggregatorWriter interface which allows you to do that. As a matter of fact there is already a class that implements what you need (org.apache.giraph.aggregators.TextAggregatorWriter).
Hope it helps. On Wed, Jul 24, 2013 at 5:19 PM, Kyle Orlando <kyle.r.orla...@gmail.com>wrote: > Hello, > > I am new to Giraph and was just wondering how one could retrieve and > display the certain global values/statistics that the aggregators keep > track of. What classes and methods would I use, and would this be > done in a class that extends VertexOutputFormat, or would it be done > elsewhere? > > As an example, in the provided SimplePageRankComputation in > org.apache.giraph.examples, there are three aggregators: sum, min, and > max. I would like to display all of their final values (after the > final superstep) in some way, such as writing them to a text file. > > -- > Kyle Orlando > Computer Engineering Major > University of Maryland > -- Claudio Martella claudio.marte...@gmail.com
