How does work the Resource Scheduler in Resource Manager work with NodeManager and Container?

问题

I mainly want to know how the relationship between Resource Scheduler and Container works.
To give an example, now there is an MR task coming, how this task is created or passed between the above three. (Resource Manager/Resource Scheduler/NodeManager);
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来源：https://stackoverflow.com/questions/63294017/how-does-work-the-resource-scheduler-in-resource-manager-work-with-nodemanager-a