{
JobGraph jobGraph = new JobGraph("Speed Test");
SlotSharingGroup sharingGroup = new SlotSharingGroup();
AbstractJobVertex producer = new AbstractJobVertex("Speed Test Producer");
jobGraph.addVertex(producer);
producer.setSlotSharingGroup(sharingGroup);
producer.setInvokableClass(SpeedTestProducer.class);
producer.setParallelism(numSubtasks);
producer.getConfiguration().setInteger(DATA_VOLUME_GB_CONFIG_KEY, dataVolumeGb);