Sharat, To answer your specific question of:
> Is there any way to generate multiple input splits from the single input file. Yes there is. Use the NLineInputFormat class, with an N value of 1. You should then, for a single file of N lines (dupe or not), get N map tasks. On Sun, Jun 10, 2012 at 8:32 PM, sharat attupurath <shara...@hotmail.com> wrote: > Hi, > > We are trying to solve the travelling salesman problem using hadoop. our > input files contain just a single line that has the euclidean coordinates of > the cities. we need to pass this single line to each mapper who will then > process that. How can we do this so that we can achieve parallelism in a > hadoop cluster. Is there any way to generate multiple input splits from the > single input file. > > Thanks > > Sharat -- Harsh J