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CCD-410 · Question #32
CCD-410 Question #32: Real Exam Question with Answer & Explanation
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Question
When is the earliest point at which the reduce method of a given Reducer can be called?
Options
- AAs soon as at least one mapper has finished processing its input split.
- BAs soon as a mapper has emitted at least one record.
- CNot until all mappers have finished processing all records.
- DIt depends on the InputFormat used for the job.
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