@Override
    public String toString() {
      return "TaskInfo{" +
          "task=" + task +
          ", priority=" + priority +
          ", startTime=" + startTime +
          ", containerId=" + containerId +
          (assignedNode != null ? ", assignedNode=" + assignedNode.toShortString() : "") +
          ", uniqueId=" + uniqueId +
          ", localityDelayTimeout=" + localityDelayTimeout +
          '}';
    }
Whether there's an update in progress for this TaskInfo.
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java