@Override
    public int compareTo(Delayed o) {
      TaskInfo other = (TaskInfo) o;
      if (other.localityDelayTimeout > this.localityDelayTimeout) {
        return -1;
      } else if (other.localityDelayTimeout < this.localityDelayTimeout) {
        return 1;
      } else {
        return 0;
      }
    }
Whether there's an update in progress for this TaskInfo.
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java