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Which of the following supports splittable compression?(a) LZO(b) Bzip2(c) Gzip(d) All of the mentionedThis question was addressed to me in quiz.The origin of the question is Compression in section Hadoop I/O of Hadoop

Answer»

Correct answer is (a) LZO

Easiest explanation: LZO ENABLES the parallel PROCESSING of COMPRESSED text FILE splits by your MapReduce jobs.



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