No, you either have small enough data that you can have all go to a single reducer or you can setup a (sampling) partitioner so that the partitions are sorted and you can get globally sorted output from multiple reduces - take a look at the TeraSort example for this.
Arun On Jul 26, 2011, at 3:52 PM, Mohamed Riadh Trad wrote: > Dear All, > > Is it possible to set up a task with multiple reducers and merge reducers > outputs into one single file? > > Bests, > > Trad Mohamed Riadh, M.Sc, Ing. > PhD. student > INRIA-TELECOM PARISTECH - ENPC School of International Management > > Office: 11-15 > Phone: (33)-1 39 63 59 33 > Fax: (33)-1 39 63 56 74 > Email: riadh.t...@inria.fr > Home page: http://www-rocq.inria.fr/who/Mohamed.Trad/
