Assuming you speak of MRv1 (1.x/0.20.x versions), there is just 1 Job Setup and 1 Job Cleanup tasks additionally run for each Job.
On Sat, Mar 23, 2013 at 9:10 AM, Sai Sai <[email protected]> wrote: > When running an MR job/program assuming there r 'n' (=100) Mappers triggered > then my question is will the setup & cleanup run n number of times which > means once for each mapper or for all the mappers they will run only once. > Any help is appreciated. > Thanks > Sai -- Harsh J
