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
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B is the correct answer
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B
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It is D.
B is incorrect as it defeats the purpose of data locality.
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B
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