This shouldn't be the case, as the configuration is supposed to propagate (even the partitioner is something that'd consume this). Could you post a cleaned up version of your whole Driver code?
2011/7/26 rabbit_cheng <rabbit_ch...@126.com>: > In my map function, I need to know the number of reducer, the code segment > in my program like this: > JobConf job = new JobConf(driverClass.class); > int numReducer=job.getNumReduceTasks(); > but the function invocation job.getNumReduceTasks() always returns the value > of "1". I have tested many times: In driver function, I set the number of > reducer to 2 using the following statements: > JobConf job =new JobConf(driverClass.class); > job.setNumReduceTasks(2); > As a result, the reducers' output file number is 2, so I know the > statements above worked, but what I get in map function is still to be "1". > How can I get the right number of reducer in map function? thanks! > > > -- Harsh J
