Do you know what parameters from conf files ? Thanks,
Sent from my iPhone On Oct 21, 2011, at 3:32 PM, Nick Jones <darel...@gmail.com> wrote: > FWIW, I usually specify the number of reducers in both streaming and > against the Java API. The "default" is what's read from your config > files on the submitting node. > > Nick Jones > > On Oct 21, 2011, at 5:00 PM, Mapred Learn <mapred.le...@gmail.com> wrote: > >> Hi, >> Does streaming jar create 1 reducer by default ? We have reduce tasks per >> task tracker configured to be more than 1 but my job has about 150 mappers >> and only 1 reducer: >> >> reducer.py basically just reads the line and prints it. >> >> Why doesn't streaming.jar invokes multiple reducers for this case ? >> >> Thanks, >> -JJ >> >>