Your Hadoop cluster is configuring with HDFS and MapReduce version 2 (MRv2) on YARN. Can
you configure a worker node to run a NodeManager daemon but not a DataNode daemon and still
have a functional cluster?
A.
Yes. The daemon will receive data from the NameNode to run Map tasks
B.
Yes. The daemon will get data from another (non-local) DataNode to run Map tasks
C.
Yes. The daemon will receive Map tasks only
D.
Yes. The daemon will receive Reducer tasks only
b is the correct, name node NEVER manage data
0
0
Why is b correct ? Will Node Manager talk to each other ?
0
0
Then , what is the correct answer ?
0
0
B is the correct answer
0
0
B ist correct.
0
0
b is correct as the non-local data client will be created to copy the data from remote into the node where Map is running.
0
0
B is correct
0
0
C is correct, as for running reducer tasks, it does not require any data to be present on the node.
0
0
B is the right answer
0
0
I agree with the answer. A
0
0