@Override
  public String toString() {
    return "YarnAppState{" +
        ", taskId=" + taskId +
        ", amContainerId=" + amContainerId +
        ", nodeHost='" + nodeHost + '\'' +
        ", nodePort=" + nodePort +
        ", nodeHttpPort=" + nodeHttpPort +
        ", appAttemptId=" + appAttemptId +
        ", coordinatorUrl=" + coordinatorUrl +
        ", rpcUrl=" + rpcUrl +
        ", trackingUrl=" + trackingUrl +
        ", runningProcessors=" + runningProcessors +
        ", failedContainersStatus=" + failedContainersStatus +
        '}';
  }
/**
State indicating whether the job is healthy or not
Modified by both the AMRMCallbackThread and the ContainerAllocator thread
samza-yarn3/src/main/java/org/apache/samza/job/yarn/YarnAppState.java