Custom programmer-defined counters in MapReduce are:

The correct answer is B. Lightweight devices for ensuring the correctness ofa MapReduce program. Mappers. Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test…

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Options

ALightweight devices forbookkeeping within MapReduce programs.
BLightweight devices for ensuring the correctness ofa MapReduce program. Mappers
CLightweight devices for synchronization within MapReduce programs. You can usecounters to

How the community answered

(53 responses)

A
9% (5)
B
72% (38)
C
19% (10)

Explanation

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#custom counters#MapReduce bookkeeping#job diagnostics#monitoring

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