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CCD-333 · Question #65
Custom programmer-defined counters in MapReduce are:
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HBase Administration and Monitoring
Question
Custom programmer-defined counters in MapReduce are:
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
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Topics
#custom counters#MapReduce bookkeeping#job diagnostics#monitoring