ProcessorDescriptor.create("Processor"),
dummyTaskCount, dummyTaskResource);
DAG dag = DAG.create("testDag");
String groupName1 = "uv12";
OutputCommitterDescriptor ocd = OutputCommitterDescriptor.create(
TotalCountingOutputCommitter.class.getName());
org.apache.tez.dag.api.VertexGroup uv12 = dag.createVertexGroup(groupName1, v1, v2);
OutputDescriptor outDesc = OutputDescriptor.create("output.class");
uv12.addDataSink("uvOut", new DataSinkDescriptor(outDesc, ocd, null));
v3.addDataSink("uvOut", new DataSinkDescriptor(outDesc, ocd, null));