You can start with one machine or one VM if you are just looking to try out hadoop.
James. On 2010-11-09, at 11:47 AM, Fabio A. Miranda wrote: > hello, > > I am trying to setup an Hadoop cluster. From the docs, it says I need > two master: NameNode and Jobtracker and one slave: datanode, > tasktracker. > > so, I need at least 4 machines to set up a cluster with hadoop ? > > How can I define the role of each machine if core-site.xml needs to be > the same ? > > regards, > > fabio. > >
