In Hadoop, ____ functions are crucial for transforming unstructured data into a structured format.
- Combiner
- InputFormat
- Mapper
- Reducer
Mapper functions in Hadoop are crucial for transforming unstructured data into a structured format. Mappers are responsible for processing input data and generating key-value pairs that serve as input for the subsequent stages in the MapReduce process. They play a key role in converting raw data into a format suitable for analysis.
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