Hello Pedro, On Mon, Apr 18, 2011 at 6:39 PM, Pedro Costa <psdc1...@gmail.com> wrote: > Hi, > > 1 - I would like to run Hadoop MR in my laptop, but with the cluster > mode configuration. I've put a slave file with the following content: > [code] > 127.0.0.1 > localhost > 192.168.10.1 > mylaptop > [/code] > > > the 192.168.10.1 is the IP of the machine and the "mylaptop" is the > logical name of the address. Is this a well configured slaves file to > do what I want?
Just the hostnames (or just the IPs) should suffice in the conf/slaves list. Do not add multiple entries pointing to the same node. > I was thinking in running a Tasktracker in each Core, although I don't > know how to do it. Set the value to 4 for the parameters: * mapred.tasktracker.map.tasks.maximum (For 4 parallel mappers) * mapred.tasktracker.reduce.tasks.maximum (For 4 parallel reducers) -- Harsh J