Tell us more about size of your job, what you are doing and size of your machines? In general, start small -- one mapper and one reduce per machine and then if that works without problem, scale up. St.Ack
On Sun, Feb 15, 2009 at 8:14 PM, nguyenhuynh <[email protected]>wrote: > Hi all!, > > > I have 3 machines use to run Hadoop/hbase map-reduce. I don't known set > value for number map tasks and reduces. > > > How many number of task and reduce in this case? > > > Please, help me! > > Thanks, > > > Regards, > > NguyenHuynh > > >
