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The _________ as just the value field append(value) and the key is a LongWritable that contains the record number, count + 1.

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The _________ as just the value field append(value) and the key is a LongWritable that contains the record number, count + 1.

(a) SetFile

(b) ArrayFile

(c) BloomMapFile

(d) None of the mentioned

The question was posed to me at a job interview.

Question is from Hadoop I/O topic in division Hadoop I/O of Hadoop

1 Answer

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Best answer
The correct option is (b) ArrayFile

To explain: The SetFile instead of append(key, value) as just the key field append(key) and the value is always the NullWritable instance.

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