defaultNode, jobConf);
long firstJobStartTime = now + 60000;
JobStoryProducer jobStoryProducer = new SimulatorJobStoryProducer(
new Path(traceFile), cluster, firstJobStartTime, jobConf);
jc = new SimulatorJobClient(jt, jobStoryProducer);
queue.addAll(jc.init(firstJobStartTime));
// create TTs based on topology.json
startTaskTrackers(cluster, now);