Thank you very much for reply. Is there any reason masters file contains localhost in default installation of hadoop?
On Thu, Jun 24, 2010 at 10:56 PM, Jitendra Nath Pandey < jiten...@yahoo-inc.com> wrote: > Start-dfs.sh script will try to start the secondary namenode on the node > listed in masters file. > > Datanodes don’t connect to the secondary namenode, and slaves file should > contain the hostnames where you want to start the datanode. It can be > localhost. > > > On 6/24/10 2:56 AM, "Vitaliy Semochkin" <vitaliy...@gmail.com> wrote: > > Hi, > > In default installation hadoop masters and slaves files contain localhost. > Am I correct that masters file contains list of SECONDARY namenodes? > > If so, will localhost node try to start secondary namenode even if it > already have one? > More over will datanodes try to contact itself in order to try to reach > secondary namenode on localhost? > > should I keep localhost in slaves in case I want to run datanode on same > sever I start cluster and run namemode? > > This is my first hadoop experience, > Thanks in advance. > > Vitaliy S > >