Hi All, I heard about the reduce job, it will be started after all map tasks finished 100%, but in my hive query the reduce job started at below stage, please explain why is this.(I copied below line when the job is running).
2014-04-22 21:15:12,803 Stage-1 map = 83%, reduce = 1%, Cumulative CPU 4194.4 sec -- *Kishore *
