you can use Apache Rumen( http://hadoop.apache.org/docs/mapreduce/r0.22.0/rumen.html) for all this informations.
-- Thiago Vieira On Tue, Aug 28, 2012 at 4:40 PM, abhiTowson cal <abhishek.dod...@gmail.com>wrote: > hi all, > > After completion of the job. > > How can we individually calculate total time spent on map > phase,shuffle sort phase,copy phase and reduce phase. > > So that it helps in tuning your job performance. > > Regards > Abhi >