Yes. It works just like Java-based MapReduce in that regard. - Aaron On Sun, Aug 23, 2009 at 5:09 AM, Nipun Saggar <nipun.sag...@gmail.com>wrote:
> Hi all, > > I have recently started using Hadoop streaming. From the documentation, I > understand that by default, each line output from a mapper up to the first > tab becomes the key and rest of the line is the value. I wanted to know > that > between the mapper and reducer, is there a shuffling(sorting) phase? More > specifically, Would it be correct to assume that output from all mappers > with the same key will go to the same reducer? > > Thanks, > Nipun >
