On a cluster running MapReduce v1 (MRv1), a MapReduce job is given a directory of 10 plain text
as its input directory. Each file is made up of 3 HDFS blocks. How many Mappers will run?
A.
We cannot say; the number of Mappers is determined by the developer
B.
30
C.
10
D.
1
I choose B
0
0
10
0
0