hi if you just need collect without sorting, you can do setNumReduceTasks(0);
http://hadoop.apache.org/core/docs/r0.16.4/api/org/apache/hadoop/mapred/JobConf.html#setNumReduceTasks(int) > Hi,all > My program just wants to collect the results of the map outputs,to save the > time,can I just use Mapper Class without Reducer Class? Is it like this? > > job.setMapperClass(MyMapper.class); > //other configurations,but without job.setReducerClass(); > JobClient.runJob(job); > > How can I implement it?Thank you . > -- Yi-Kai Tsai (cuma) <[EMAIL PROTECTED]>, Asia Regional Search Engineering.
