This isn't Hadoop warning, it is an SSH warning. Some searching would turn up results such as http://stackoverflow.com/questions/9299651/annoying-warning-permanently-added-to-list-of-known-hosts-message-from-git, if it is annoying you.
On Thu, Jan 10, 2013 at 9:34 AM, Sundeep Kambhampati <kambh...@cse.ohio-state.edu> wrote: > Hi all, > How do I suppress "Permanently added ------- (RSA) to the list of known > hosts" warning in Hadoop-1.0.4? > > -bash-3.2# bin/start-dfs.sh > starting namenode, logging to > /usr/local/hadoop/libexec/../logs/hadoop-root-namenode-master.out > sk.r252.1: Warning: Permanently added 'sk.r252.1,10.2.252.1' (RSA) to the > list of known hosts. > 10.0.2.15: Warning: Permanently added '10.0.2.15' (RSA) to the list of known > hosts. > sk.r252.1: starting datanode, logging to > /usr/local/hadoop/libexec/../logs/hadoop-root-datanode-slave1.out > 10.0.2.15: starting datanode, logging to > /usr/local/hadoop/libexec/../logs/hadoop-root-datanode-master.out > 10.0.2.15: Warning: Permanently added '10.0.2.15' (RSA) to the list of known > hosts. > 10.0.2.15: starting secondarynamenode, logging to > /usr/local/hadoop/libexec/../logs/hadoop-root-secondarynamenode-master.out > > Regards > Sundeep -- Harsh J
