How does the FIFO scheduler execute the jobs?
You have a cluster running with the FIFO scheduler enabled. You submit a large job A to the
cluster which you expect to run for one hour. Then, you submit job B to the cluster, which you
expect to run a couple of minutes only. Let’s assume both jobs are running at the same priority.
How does the FIFO scheduler execute the jobs? (Choose 3)
How does the data get from the DataNodes to the client?
A client wants to read a file from HDFS. How does the data get from the DataNodes to the client?
Which of the following statements arc accurate in describing features of Hadoop rack awareness?
Which of the following statements arc accurate in describing features of Hadoop rack awareness?
(Choose 2)
Which of the following statements is the most accurate about the choice of operating systems to run on a Hadoo
Which of the following statements is the most accurate about the choice of operating systems to
run on a Hadoop cluster?
what’s the relationship between tasks and task attempts?
For a MapReduce job, what’s the relationship between tasks and task attempts?
Which of the following describes how the Fair Scheduler operates?
You have a cluster running with the Fair in 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.
Which of the following describes how the Fair Scheduler operates? (Choose 2)
Hadoop provider web interface can be used for all of the following EXCEPT: (choose 1)
Hadoop provider web interface can be used for all of the following EXCEPT: (choose 1)
Compare the hardware requirements of the NameNode with that of the DataNodes in a Hadoop cluster:
Compare the hardware requirements of the NameNode with that of the DataNodes in a Hadoop
cluster:
What information is stored on disk on the NameNode?
What information is stored on disk on the NameNode? (Choose 4)
you need to do when adding new slave nodes to a cluster?
What do you need to do when adding new slave nodes to a cluster?