public TaskRunner(TaskTracker.TaskInProgress tip, TaskTracker tracker, JobConf conf) {
this.tip = tip;
this.t = tip.getTask();
this.tracker = tracker;
this.conf = conf;
this.mapOutputFile = new MapOutputFile(t.getJobID());
this.mapOutputFile.setConf(conf);
this.jvmManager = tracker.getJvmManagerInstance();
}
