On Thu, Mar 1, 2012 at 4:46 PM, Joey Echeverria <j...@cloudera.com> wrote:
> You only have to refresh nodes if you're making use of an allows file. > > Thanks does it mean that when tasktracker/datanode starts up it communicates with namenode using master file? Sent from my iPhone > > On Mar 1, 2012, at 18:29, Mohit Anchlia <mohitanch...@gmail.com> wrote: > > > Is this the right procedure to add nodes? I took some from hadoop wiki > FAQ: > > > > http://wiki.apache.org/hadoop/FAQ > > > > 1. Update conf/slave > > 2. on the slave nodes start datanode and tasktracker > > 3. hadoop balancer > > > > Do I also need to run dfsadmin -refreshnodes? >
