Which of the following describe the functions of a scheduling algorithm? (Choose 4)
Which daemon spawns child JVMs to perform MapReduce processing?
What’s the relationship between JobTrackers and TaskTrackers?
Which of the following scenarios makes HDFS unavailable?
You are running a Hadoop cluster with all monitoring facilities properly configured. Which scenario
will go undetected?
A client wants to read a file from HDFS. How does the data get from the DataNodes to the client?
Assuming a large properly configured multi-rack Hadoop cluster, which scenario should not result
in loss of HDFS data assuming the default replication factor settings?
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)
What would be a reasonable configuration of disk drives in a Hadoop datanode?
What is the standard configuration of slave nodes in a Hadoop cluster?