just the blocksize 128M or 256M,it may reduce the number of mappers per job
2011/11/17 Jay Vyas <jayunit...@gmail.com> > Hi guys : In a shared cluster environment, whats the best way to reduce the > number of mappers per job ? Should you do it with inputSplits ? Or simply > toggle the values in the JobConf (i.e. increase the number of bytes in an > input split) ? > > > > > > -- > Jay Vyas > MMSB/UCHC >
