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)
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?
which of the following scenarios would it be most appropriate to consider using faster (e.g., 10 Gigabit) Ethe
Under which of the following scenarios would it be most appropriate to consider using faster (e.g.,
10 Gigabit) Ethernet as the network fabric for your Hadoop cluster?
Where does a MapReduce job store the intermediate data output from Mappers?
Where does a MapReduce job store the intermediate data output from Mappers?
In a cluster configured with HDFS High Availability (HA) but NOT HDFS federation, each map task run:
In a cluster configured with HDFS High Availability (HA) but NOT HDFS federation, each map task
run:
What additional capability does Ganglia provide to monitor a Hadoop?
What additional capability does Ganglia provide to monitor a Hadoop?
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)
How much disk space can your new nodes contain?
Your existing Hadoop cluster has 30 slave nodes, each of which has 4 x 2T hard drives. You plan
to add another 10 nodes. How much disk space can your new nodes contain?
Which best describes how you determine when the last checkpoint happened?
You are running a Hadoop cluster with NameNode on host mynamenode, a secondary NameNode
on host mysecondary and DataNodes.
Which best describes how you determine when the last checkpoint happened?