Cloudera
CCD-410 · Question #56
CCD-410 Question #56: Real Exam Question with Answer & Explanation
Sign in or unlock CCD-410 to reveal the answer and full explanation for question #56. The question stem and answer options stay visible for context.
Question
In a MapReduce job, you want each of your input files processed by a single map task. How do you configure a MapReduce job so that a single map task processes each input file regardless of how many blocks the input file occupies?
Options
- AIncrease the parameter that controls minimum split size in the job configuration.
- BWrite a custom MapRunner that iterates over all key-value pairs in the entire file.
- CSet the number of mappers equal to the number of input files you want to process.
- DWrite a custom FileInputFormat and override the method isSplitable to always return false.
Unlock CCD-410 to see the answer
You've previewed enough free CCD-410 questions. Unlock CCD-410 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.