I think I've to rephrase the question. I set the "mapred.tasktracker.map.tasks.maximum" to 8, hoping that it will run 8*10 map tasks in the whole cluster. But, it only run 8 tasks simultaneously. Why this is happens?
On Mon, May 23, 2011 at 5:45 PM, Pedro Costa <psdc1...@gmail.com> wrote: > Hi, > > I'm running hadoop map-reduce in a cluster with 10 machines. I would > like to set in the configuration that each tasktracker can run 8 map > tasks simultaneously and 4 reduce tasks simultaneously. Which > parameters should I configure? > > Thanks, > PSC >