String constructCanAcceptLogResult(boolean result) {
      StringBuilder sb = new StringBuilder();
      sb.append("Node[").append(serviceInstance.getHost()).append(":").append(serviceInstance.getRpcPort())
          .append(", ").append(serviceInstance.getWorkerIdentity()).append("]: ")
          .append("canAcceptTask=").append(result)
          .append(", numScheduledTasks=").append(numScheduledTasks)
          .append(", numSchedulableTasks=").append(numSchedulableTasks)
          .append(", hadCommFailure=").append(hadCommFailure)
          .append(", disabled=").append(disabled);
      return sb.toString();
    }
@return the time at which this node will be re-enabled
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java