Oh I just let it be the default value... Thx! :-) On Nov 22, 2010, at 2:03 PM, Harsh J wrote:
> Hi, > > On Mon, Nov 22, 2010 at 9:36 AM, long hong <gnohg...@gmail.com> wrote: >> hi all, I am recently developing a web app based on Hadoop DFS. I just use >> one node for dev and find the namenode usualy cannot be started using >> bin/start-all.sh. I have to frequently reformat the namenode and restart >> hadoop to make the it work. >> >> Did anyone encounter the same problem? thx for helping ! > > What is your dfs.name.dir set to? If it is left as default, it resides > in /tmp and gets wiped out every boot, which should be one cause of > NameNode not starting again. > > -- > Harsh J > www.harshj.com