Identify two features/issues that YARN is designed to address:
A.
Standardize on a single MapReduce API
B.
Single point of failure in the NameNode
C.
Reduce complexity of the MapReduce APIs
D.
Resource pressures on the JobTracker
E.
Ability to run frameworks other than MapReduce, such as MPI
F.
HDFS latency
B,D,E
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nothing to do with B.
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D & E
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D&E..Before this MRv1 only got one job tracker.so sad.Now YARN can be multiple
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I agree with the answer. DE
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