0.yarn top; 查看 yarn 资源耗费状况
1.yarn application -list; 查看所有正在运行的 app
2.yarn logs -applicationId appId; 查看工作运行日志
3.yarn application -list -appStates; 查看不同状态的 app
1. ALL NEW
2. NEW_SAVING
3. SUBMITTED
4. ACCEPTED
5. RUNNING
6. FINISHED
7. FAILED
8. KILLED