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 NEW2. NEW_SAVING3. SUBMITTED4. ACCEPTED5. RUNNING6. FINISHED7. FAILED8. KILLED