When setting up a MapReduce job, which configuration is crucial for specifying the output key and value types?
- map.output.key.class
- map.output.value.class
- reduce.output.key.class
- reduce.output.value.class
The crucial configuration for specifying the output key and value types in a MapReduce job is map.output.value.class. This configuration defines the data types emitted by the Mapper.
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