Copyright: original works https://blog.csdn.net/weixin_43093501/article/details/90211059
hadoop resource management system
yarn scheduler
FIFO scheduler
- The application placed in a queue, and then click Run
drawback: if the first run large operations, in the back of the small jobs have been waiting for.
Capacity Scheduler
- Prepared in advance to ensure that a small queue after job submission, you can run
Fair Scheduler
- After the job is submitted, a part of the cluster allocation of resources from running jobs.