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Jobs can enable task JVMs to be reused by specifying the job configuration _________

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Jobs can enable task JVMs to be reused by specifying the job configuration _________

(a) mapred.job.recycle.jvm.num.tasks

(b) mapissue.job.reuse.jvm.num.tasks

(c) mapred.job.reuse.jvm.num.tasks

(d) all of the mentioned

The question was posed to me in examination.

I want to ask this question from MapReduce Features topic in section Developing a MapReduce Application of Hadoop

1 Answer

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Best answer
The correct choice is (b) mapissue.job.reuse.jvm.num.tasks

The explanation is: Many of my tasks had performance improved over 50% using mapissue.job.reuse.jvm.num.tasks.

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