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Shobha John Sahota
Asked: 2022-11-08T06:57:56+05:30 In:

____________ specifies the number of segments on disk to be merged at the same time.

(a) mapred.job.shuffle.merge.percent

(b) mapred.job.reduce.input.buffer.percen

(c) mapred.inmem.merge.threshold

(d) io.sort.factor

____________ specifies the number of segments on disk to be merged at the same time.

(a) mapred.job.shuffle.merge.percent

(b) mapred.job.reduce.input.buffer.percen

(c) mapred.inmem.merge.threshold

(d) io.sort.factor
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  1. The correct option is (d) io.sort.factor

    The explanation is: io.sort.factor limits the number of open files and compression codecs during the merge.

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