Ok, what about the issue regarding the users? Do all the machines need to be under the same user?
On Wed, Apr 23, 2008 at 12:43 PM, Harish Mallipeddi < [EMAIL PROTECTED]> wrote: > On Wed, Apr 23, 2008 at 3:03 PM, Sridhar Raman <[EMAIL PROTECTED]> > wrote: > > > After trying out Hadoop in a single machine, I decided to run a > MapReduce > > across multiple machines. This is the approach I followed: > > 1 Master > > 1 Slave > > > > (A doubt here: Can my Master also be used to execute the Map/Reduce > > functions?) > > > > If you add the master node to the list of slaves (conf/slaves), then the > master node run will also run a TaskTracker. > > > > > > To do this, I set up the masters and slaves files in the conf directory. > > Following the instructions in this page - > > http://hadoop.apache.org/core/docs/current/cluster_setup.html, I had set > > up > > sshd in both the machines, and was able to ssh from one to the other. > > > > I tried to run bin/start-dfs.sh. Unfortunately, this asked for a > password > > for [EMAIL PROTECTED], while in slave, there was only user2. While in > > master, > > user1 was the logged on user. How do I resolve this? Should the user > > accounts be present in all the machines? Or can I specify this > somewhere? > > > > > > -- > Harish Mallipeddi > circos.com : poundbang.in/blog/ >
