I've got related question. Is it possible to alter number of map&reduce tasks after adding more nodes?
Alex On 14/08/2008, lohit <[EMAIL PROTECTED]> wrote: > > if the config is right, then this is the procedure to add a new datanode. > Do you see any exceptions logged in your datanode log? > Run it as daemon so it logs everything into a file under HADOOP_LOG_DIR > ./bin/hadoop-daemons.sh --config $HADOOP_CONF_DIR start datanode > > Thanks, > Lohit > > ----- Original Message ---- > From: Kai Mosebach <[EMAIL PROTECTED]> > To: [email protected] > Sent: Thursday, August 14, 2008 1:48:02 AM > Subject: Dynamically adding datanodes > > Hi, > > how can i add a datanode dynamically to a hadoop cluster without restarting > the whole cluster? > I was trying to run "hadoop datanode" on the new datanode with the > appropriate config (pointing to my correct namenode) but it does not show up > there. > > Is there a way? > > Thanks Kai > > -- Best Regards Alexander Aristov
