The output of the reducer is Text/IntWritable. To set the "input" to the reducer you set the mapper output classes.
Cheers James Sent from my mobile. Please excuse the typos. On 2010-08-25, at 8:13 PM, "Mark" <[email protected]> wrote: > job.setOutputKeyClass(Text.class); > job.setOutputValueClass(IntWritable.class); > > Does this mean the input to the reducer should be Text/IntWritable or > the output of the reducer is Text/IntWritable? > > What is the inverse of this.. setInputKeyClass/setInputValueClass? Is > this inferred by the JobInputFormatClass? Would someone mind briefly > explaining? > > Thanks
