Point out the wrong statement.
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Hadoop · all questionsMapReduce Programming Model
MapReduce Programming Model
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. . . . . . . . is the primary interface for a user to describe a MapReduce job to the Hadoop framework for execution.
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Which of the following Hadoop streaming command option parameter is required?
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. . . . . . . . maps input key/value pairs to a set of intermediate key/value pairs.
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Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix . . . . . . . . utility.
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Point out the correct statement.
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The . . . . . . . . can also be used to distribute both jars and native libraries for use in the map and/or reduce tasks.
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To set an environment variable in a streaming command use . . . . . . . .
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Streaming supports streaming command options as well as . . . . . . . . command options.
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. . . . . . . . is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer.
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. . . . . . . . class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
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