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CCD-410 · Question #60
CCD-410 Question #60: Real Exam Question with Answer & Explanation
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Question
To process input key-value pairs, your mapper needs to lead a 512 MB data file in memory. What is the best way to accomplish this?
Options
- ASerialize the data file, insert in it the JobConf object, and read the data into memory in the configure
- BPlace the data file in the DistributedCache and read the data into memory in the map method of the mapper.
- CPlace the data file in the DataCache and read the data into memory in the configure method of the mapper.
- DPlace the data file in the DistributedCache and read the data into memory in the configure method of the
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