On Mon, Sep 28, 2009 at 10:44 AM, Mayuran Yogarajah < [email protected]> wrote:
> Hey Todd, > > Note that you do not need to run the 2NN on a separate machine *if* you >> have >> enough RAM for two entire copies of your filesystem namespace. For small >> clusters you should be fine to run the two daemons on one machine. >> >> >> > Just wanted to confirm.. to set up the secondary NN I just need to add the > hostname > into the slaves file, correct? > > I don't personally like to use the slaves/masters files for managing which daemons run on which nodes. But, if you'd like to, it looks like you should put it in the "masters" file, not the slaves file. Look at how start-dfs.sh works to understand how those files are used. -Todd
