Hortonworks Exam HDPCD Topic 1 Question 29 Discussion

Actual exam question for Hortonworks's HDPCD exam

Question #: 29
Topic #: 1

You are developing a combiner that takes as input Text keys, IntWritable values, and emits Text keys, IntWritable values. Which interface should your class implement?

ACombiner <Text, IntWritable, Text, IntWritable>

BMapper <Text, IntWritable, Text, IntWritable>

CReducer <Text, Text, IntWritable, IntWritable>

DReducer <Text, IntWritable, Text, IntWritable>

ECombiner <Text, Text, IntWritable, IntWritable>

Show Suggested Answer

Suggested Answer: C

by Elza at Oct 26, 2022, 01:43 PM

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