If the number of maps or reducers your job launched are more than the jobqueue/cluster capacity, cpu time will increase On Dec 13, 2012 4:02 PM, "imen Megdiche" <imen.megdi...@gmail.com> wrote:
> Hello, > > I am trying to increase the number of map and reduce tasks for a job and > even for the same data size, I noticed that the total time CPU increases but > I thought it would decrease. MapReduce is known for performance calculation, > but I do not see this when i do these small tests. > > What de you thins about this issue ? > >