You have a cluster running with the Fair Scheduler enabled. There are currently no jobs
running on the cluster, and you submit a job A, so that only job A is running on the cluster. A
while later, you submit Job B. now job A and Job B are running on the cluster at the same
time. How will the Fair Scheduler handle these two jobs?

A.
When job A gets submitted, it consumes all the tasks slots.

B.
When job A gets submitted, it doesn’t consume all the task slots

C.
When job B gets submitted, Job A has to finish first, before job B can scheduled

D.
When job B gets submitted, it will get assigned tasks, while Job A continue to run with
fewer tasks.

Explanation: