Yarn的三种调度器(Scheduler)
Yarn的三种调度器(Scheduler)
1:FIFO Scheduler:先进先出调度策略
![FIFO Scheduler](https://img2020.cnblogs.com/blog/2050188/202012/2050188-20201228193952690-1574656677.png)
2:Capacity Scheduler:可以看作是FIFO Scheduler的多队列版本
![Capacity Scheduler](https://img2020.cnblogs.com/blog/2050188/202012/2050188-20201228194008812-1651855986.png)
3:Fair Scheduler:多队列、多用户资源共享
![Fair Scheduler](https://img2020.cnblogs.com/blog/2050188/202012/2050188-20201228194016335-1745832795.png)
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