What Is A “reducer” In Hadoop?

1.	What Is A “reducer” In Hadoop?
Answer» In Hadoop, a REDUCER COLLECTS the output GENERATED by the mapper, processes it, and CREATES a FINAL output of its own. In Hadoop, a reducer collects the output generated by the mapper, processes it, and creates a final output of its own.

Answer»

In Hadoop, a REDUCER COLLECTS the output GENERATED by the mapper, processes it, and CREATES a FINAL output of its own.

In Hadoop, a reducer collects the output generated by the mapper, processes it, and creates a final output of its own.

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