Amandeep Khurana <[email protected]> writes:

> Is it possible to write a map reduce job using multiple input files?
>
> For example:
> File 1 has data like - Name, Number
> File 2 has data like - Number, Address
>
> Using these, I want to create a third file which has something like - Name,
> Address
>
> How can a map reduce job be written to do this?

Have one map job read both files in sequence, and map them to (number,
name or address).  Then reduce on number.

Ian

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