Which process instantiates user code, and executes map and reduce tasks on a cluster
running MapReduce v2 (MRv2) on YARN?
A.
JobTracker
B.
DataNode
C.
NameNode
D.
ApplicationMaster
E.
NodeManager
F.
ResourceManager
G.
TaskTracker
Explanation:
E
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C is correct answer.
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Error!!
D is correct answer.
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Its D
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E
Nodemanager lunch map , reduce task in container
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E
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the correct answer is E
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