Spark任务调度过程是什么？（）
A: RDDObject->ADGScheduler->TaskScheduler->Worker
B: ADGScheduler->RDDObject->TaskScheduler->Worker
C: RDDObject->TaskScheduler->ADGScheduler->Worker
D: Worker->ADGScheduler->TaskScheduler->RDDObject
A: RDDObject->ADGScheduler->TaskScheduler->Worker
B: ADGScheduler->RDDObject->TaskScheduler->Worker
C: RDDObject->TaskScheduler->ADGScheduler->Worker
D: Worker->ADGScheduler->TaskScheduler->RDDObject
举一反三
- An American employer is likely to use a worker's family name when ______. A: the worker is to get a promotion B: the worker has done something wrong C: he speaks to the worker at a gathering D: he is being friendly with the worker
- Which of the following is not a blue-collar worker? A: plumber B: electrician C: attorney D: structural worker
- Choose the appropriate description for a worker ( ). A: A worker is a person who is doing mental job. B: A worker is a person who is prone to devote more time to working. C: A worker is a person who feels happier and more satisfied with his/her life. D: A worker is a person who spends his/her leisure time on lifelong learning.
- Unskilled office worker and skilled well-paid manual worker belong to upper middle class.
- worker组件在spark的任务调度中具有以下哪个作用（） A: 计算数据 B: 存储数据 C: 运送数据 D: 心跳检测